obtuse

[美國]/əbˈtjuːs/
[英國]/əbˈtuːs/
詞頻: 非常高

中文釋義

adj. 圓頭的;不鋒利的;遲鈍的

短語搭配

obtuse angle

鈍角

obtuse triangle

鈍角三角形

例句

be obtuse in understanding

頭腦遲鈍

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

花瓣長圓形,具棕色脈序仿照,頂部抑制。

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

那時,我是那樣遲鈍以至於不能領會她的行爲的含義。

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,先端通常鈍的,很少合生然後具帽狀的。

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

橢圓形的花瓣,約3×1.5毫米,頂部鈍,具棕色羽毛狀脈序圖案,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;

葉片卵形,寬卵形,或者菱形卵形,3-7*1.8-3.5厘米,革質,背面粉綠色,正面深綠色,基部鈍或銳尖,先端(鈍或)銳尖到近漸尖;

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

倒卵形的基生葉,長圓形,寬橢圓形,或圓形,9-12*5-16毫米,邊緣全緣,狹棕色小新月形,先端鈍到圓形。

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

種子橢圓形,基部尖銳,先端微凹,具環紋的背種臍,具橫裂和鈍肋,腹面洞棱槽從上面中間到先端。

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