"concave" in Chinese (Simplified)
凹面
Definition
表面向内弯曲的,就像碗的内侧。与凸面相反。
Usage Notes (Chinese (Simplified))
常见于几何、物理和日常描述(如“凹面镜”)。容易与 'convex'(凸面)混淆,可记为“concave 向内凹陷”。多为正式或学术用语。
Examples
The inside of a spoon is concave.
勺子的内侧是**凹面**的。
A concave mirror makes your face look bigger.
**凹面**镜会让你的脸看起来更大。
The bowl has a concave shape.
这个碗是**凹面**形的。
If you press your hand into clay, it leaves a concave mark.
把手按进黏土会留下一个**凹面**的痕迹。
The skateboard ramp is concave in the middle to make tricks easier.
滑板道中间是**凹面**的,方便做动作。
You can remember 'concave' because it 'caves in' like the inside of a cave.
你可以这样记住“concave”,它像洞穴一样“向内凹”。