obtuse

[美]/əbˈtjuːs/
[英]/əbˈtuːs/
词频: 极高

释义

adj. 圆头的;不锋利的;迟钝的

短语搭配

obtuse angle

钝角

obtuse triangle

钝角三角形

例句

be obtuse in understanding

头脑迟钝

Petals oblong, with brown featherlike venation pattern, obtuse apically.

花瓣长圆形,具棕色脉序仿照,顶部抑制。

At the time, I was too obtuse to grasp the true implications of her behavior.

那时,我是那样迟钝以至于不能领会她的行为的含义。

Calyx lobes 4 or 5 or rarely more, usually short, caducous or persistent, apex usually obtuse, rarely connate and then calyptrate.

萼裂片4或5或很少更多,通常短,早落或宿存,先端通常钝的,很少合生然后具帽状的。

Petals elliptic, ca. 3 × 1.5 mm, obtuse apically, with brown featherlike venation pattern, revolute at anthesis.

椭圆形的花瓣,约3×1.5毫米,顶部钝,具棕色羽毛状脉序图案,外卷在花期。

leaf blade ovate, broadly ovate, or rhombic-ovate, 3-7 × 1.8-3.5 cm, leathery, abaxially pruinose-green, adaxially dark green, base obtuse or acute, apex (obtuse or) acute to subacuminate;

叶片卵形,宽卵形,或者菱形卵形,3-7*1.8-3.5厘米,革质,背面粉绿色,正面深绿色,基部钝或锐尖,先端(钝或)锐尖到近渐尖;

basal leaf blade obovate, oblong, broadly elliptic, or orbicular, 9-12 × 5-16 mm, margin entire, narrowly brown lunulate, apex obtuse to rounded.

倒卵形的基生叶,长圆形,宽椭圆形,或圆形,9-12*5-16毫米,边缘全缘,狭棕色小新月形,先端钝到圆形。

Seeds elliptic, base sharp, apex retuse, back chalazal knot zonate, with transverse and obtuse ribs, ventral holes furrowed from upper middle to apex.

种子椭圆形,基部尖锐,先端微凹,具环纹的背种脐,具横裂和钝肋,腹面洞棱槽从上面中间到先端。

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