This movie is by turn (= alternately) terrifying and very funny.
这部电影一会儿令人毛骨悚然，一会儿滑稽可笑。
The dancers alternately arched and hunched their backs.
舞蹈者交替地将背向后弯和弓起
The tempestite and non-tempestite occur alternately in vertical section.The development of tempestite is related to stratum, ancient landfom and water depth, tectonic location and clast supply.
在剖面上，风暴沉积与非风暴沉积交互出现，发育程度与层位、古地形、古水深、构造位置及碎屑供给特征等条件有关；
The team members alternately presented their ideas during the meeting.
会议期间团队成员轮流提出他们的想法。
She alternately laughed and cried while watching the movie.
她看电影时时而笑时而哭。
The students alternately worked in pairs and individually on the project.
学生们在项目中轮流两人一组和个人工作。
The chef alternately added salt and pepper to the dish.
厨师轮流往菜里加盐和胡椒。
The siblings alternately took turns playing with the new toy.
兄弟姐妹轮流轮流玩新玩具。
The actors alternately delivered their lines on stage.
演员们在舞台上轮流说台词。
They alternately switched between different modes of transportation during their trip.
在旅行中，他们轮流使用不同的交通方式。
The singer alternately sang soft and powerful notes in the song.
歌手在歌曲中轮流唱轻柔和有力的音符。
The children alternately played tag and hide-and-seek in the park.
孩子们在公园里轮流玩捉迷藏和躲猫猫。
The professor alternately lectured and led discussions in the class.
教授在课堂上轮流讲课和主持讨论。
This movie is by turn (= alternately) terrifying and very funny.
这部电影一会儿令人毛骨悚然，一会儿滑稽可笑。
The dancers alternately arched and hunched their backs.
舞蹈者交替地将背向后弯和弓起
The tempestite and non-tempestite occur alternately in vertical section.The development of tempestite is related to stratum, ancient landfom and water depth, tectonic location and clast supply.
在剖面上，风暴沉积与非风暴沉积交互出现，发育程度与层位、古地形、古水深、构造位置及碎屑供给特征等条件有关；
The team members alternately presented their ideas during the meeting.
会议期间团队成员轮流提出他们的想法。
She alternately laughed and cried while watching the movie.
她看电影时时而笑时而哭。
The students alternately worked in pairs and individually on the project.
学生们在项目中轮流两人一组和个人工作。
The chef alternately added salt and pepper to the dish.
厨师轮流往菜里加盐和胡椒。
The siblings alternately took turns playing with the new toy.
兄弟姐妹轮流轮流玩新玩具。
The actors alternately delivered their lines on stage.
演员们在舞台上轮流说台词。
They alternately switched between different modes of transportation during their trip.
在旅行中，他们轮流使用不同的交通方式。
The singer alternately sang soft and powerful notes in the song.
歌手在歌曲中轮流唱轻柔和有力的音符。
The children alternately played tag and hide-and-seek in the park.
孩子们在公园里轮流玩捉迷藏和躲猫猫。
The professor alternately lectured and led discussions in the class.
教授在课堂上轮流讲课和主持讨论。
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