if necessary
如果必要的话
necessary for
所必需；对…是必要的
necessary condition
必要条件，充分必要条件
when necessary
在必要的时候
as necessary
必要时
absolutely necessary
绝对必要
where necessary
必要时；需要时；必要地方
necessary evil
n. 无可避免之灾祸
necessary connection
必然联系
it's not necessary for you to be here.
你没必要到这里来。
made the necessary apologies.
不得不道歉
P-is as necessary as work.
游戏同工作一样必要。
Sleep is necessary to health.
睡眠对健康是必要的。
the threshold necessary to depolarize the membrane.
为膜去极所需之临界点。
an investor with the necessary money and push.
有必要资金和事业心的投资者。
the necessary results of overindulgence.
过度放任的必然结果
Death is the necessary end of life.
死亡是生命必然的终结。
Food is necessary to maintain life.
食物是维持生命所必需的。
It is necessary for sb. to do sth. (It is necessary that ...) ...
是必须的; 必须...
candidates with the necessary experience.
具有必要经验的候选人。
necessary tools and materials;
必需的工具和材料；
the training necessary to qualify as a solicitor.
获取律师资格的必要培训。
a revolution is necessary to uproot the social order.
根本改变现行社会秩序需要革命。
it is necessary to destroy their capacity to wage war.
有必要摧毁他们，发动战争的能力。
You have the necessary equipment for leadership.
你具备领导者的才能。
It's necessary for us to study hard .
我们必须努力学习。
It is necessary to decrease the amount of coal used.
必须减缩用煤量。
Taking from the Earth only the strictly necessary.
他们只从地球获取必须的用品。
来源: Home Original SoundtrackNo prior musical experience is necessary.
不一定需要有音乐经验。
来源: CNN 10 Student English December 2019 CollectionVitamin D-wise, two steps are necessary for optimal metabolism.
维生素D的调节过程有两个十分重要的条件。
来源: Osmosis - Musculoskeletal" Necessary? No, I should not say that it is necessary to kill."
“一定？不，我认为不一定要杀人。”
来源: Harry Potter and the Deathly HallowsSecond, use necessary chores or meals as breaks from studying.
其次，将做家务或吃饭作为学习的间歇休息时间。
来源: School has started!Are fleets and armies necessary to a work of love and reconciliation?
对需要爱和和解的事业，难道战舰和军队是必要的吗？
来源: American Version Language Arts Volume 6For they are, in fact, what can power the curiosity necessary to sustain it.
因为它们是维系我们保持好奇的动力。
来源: Celebrity High School Opening SpeechShe was more disappointed than really necessary for a third-party observer to be.
作为一个第三方旁观者，她的失望有点超出必要。
来源: Twilight: EclipseMorty It's necessary for the plan, Morty.
啥 What? ! 这是为了我们的计划。
来源: Rick and Morty Season 1 (Bilingual)It's not necessary to reply to a mass email sent to numerous recipients.
没必要回复群发邮件。
来源: Past English CET-4 Listening Test Questions (with translations)if necessary
如果必要的话
necessary for
所必需；对…是必要的
necessary condition
必要条件，充分必要条件
when necessary
在必要的时候
as necessary
必要时
absolutely necessary
绝对必要
where necessary
必要时；需要时；必要地方
necessary evil
n. 无可避免之灾祸
necessary connection
必然联系
it's not necessary for you to be here.
你没必要到这里来。
made the necessary apologies.
不得不道歉
P-is as necessary as work.
游戏同工作一样必要。
Sleep is necessary to health.
睡眠对健康是必要的。
the threshold necessary to depolarize the membrane.
为膜去极所需之临界点。
an investor with the necessary money and push.
有必要资金和事业心的投资者。
the necessary results of overindulgence.
过度放任的必然结果
Death is the necessary end of life.
死亡是生命必然的终结。
Food is necessary to maintain life.
食物是维持生命所必需的。
It is necessary for sb. to do sth. (It is necessary that ...) ...
是必须的; 必须...
candidates with the necessary experience.
具有必要经验的候选人。
necessary tools and materials;
必需的工具和材料；
the training necessary to qualify as a solicitor.
获取律师资格的必要培训。
a revolution is necessary to uproot the social order.
根本改变现行社会秩序需要革命。
it is necessary to destroy their capacity to wage war.
有必要摧毁他们，发动战争的能力。
You have the necessary equipment for leadership.
你具备领导者的才能。
It's necessary for us to study hard .
我们必须努力学习。
It is necessary to decrease the amount of coal used.
必须减缩用煤量。
Taking from the Earth only the strictly necessary.
他们只从地球获取必须的用品。
来源: Home Original SoundtrackNo prior musical experience is necessary.
不一定需要有音乐经验。
来源: CNN 10 Student English December 2019 CollectionVitamin D-wise, two steps are necessary for optimal metabolism.
维生素D的调节过程有两个十分重要的条件。
来源: Osmosis - Musculoskeletal" Necessary? No, I should not say that it is necessary to kill."
“一定？不，我认为不一定要杀人。”
来源: Harry Potter and the Deathly HallowsSecond, use necessary chores or meals as breaks from studying.
其次，将做家务或吃饭作为学习的间歇休息时间。
来源: School has started!Are fleets and armies necessary to a work of love and reconciliation?
对需要爱和和解的事业，难道战舰和军队是必要的吗？
来源: American Version Language Arts Volume 6For they are, in fact, what can power the curiosity necessary to sustain it.
因为它们是维系我们保持好奇的动力。
来源: Celebrity High School Opening SpeechShe was more disappointed than really necessary for a third-party observer to be.
作为一个第三方旁观者，她的失望有点超出必要。
来源: Twilight: EclipseMorty It's necessary for the plan, Morty.
啥 What? ! 这是为了我们的计划。
来源: Rick and Morty Season 1 (Bilingual)It's not necessary to reply to a mass email sent to numerous recipients.
没必要回复群发邮件。
来源: Past English CET-4 Listening Test Questions (with translations)探索常用高频词汇