adj.凹的n.凹面；凹线；凹形
用作形容词 (adj.) The palm of one's hand is slightly concave.
人的手掌是微凹的。
A cylinder is a hollow tube with a closed concave base that permits it to stand upright.
钢瓶是中空的管道，封闭的底部是凹入的，这样可以直立起来。
His figure looks very funny in the concave mirror.
他的样子在凹镜里显得非常可笑。
用作名词 (n.) These are aberration-corrected holographic concave gratings.
下表所列为像差校正全息凹面光栅。
The cloven hooves are sharp edged, elastic and concave.
蹄锋利，呈凹形，富有弹性。
This article has described expanding method for repairing the concave retaining ring caused by the hydraulic bulging.
详细介绍了用扩冲法对液压胀形出现凹形的护环进行修复的方法。
本文来自：逍遥右脑记忆 /danci/823219.html
相关阅读：beer是什么意思_beer的翻译
became是什么意思_became在线翻译_双语例句
lachrymal是什么意思_lachrymal在线翻译_双语例句
between是什么意思_between的翻译
permanent是什么意思_permanent的翻译