concave

• adj. 凹的，凹面的
• n. 凹面
• vt. 使成凹形

con-, 強(qiáng)調(diào)。-cave, 洞穴。洞穴狀的，凹進(jìn)去的。

concave (adj.)

early 15c., from Old French concave (14c.) or directly from Latin concavus "hollow, arched, vaulted, curved," from com-, intensive prefix (see com-), + cavus "hollow" (see cave (n.)).

1. The palm of one's hand is slightly concave.

人的手掌是微凹的.

來(lái)自《現(xiàn)代漢英綜合大詞典》

2. The graph of a concave function is always below its tangent.

一個(gè)凹函數(shù)的圖象總在它的切線的下方.

來(lái)自辭典例句

3. The cloven hooves are sharp edged , elastic and concave.

蹄鋒利,呈凹形, 富有彈性.

來(lái)自辭典例句

4. Alternative characterization of concave and convex functions which is sometimes useful.

對(duì)于凹函數(shù)和凸函數(shù)還有一個(gè)替補(bǔ)的表征,有時(shí)它是有用的.

來(lái)自辭典例句

5. In adults its contour may be straight, slightly concave or slightly convex.

成人肺其形狀可以是直的, 輕微凹下或輕度突出.

來(lái)自辭典例句