Hemisphericalhead
[化] 半球形封头; 半球形顶盖
🗣️ 情景例句
Some music tapes and some blank tapes
带一些音乐带和一些空白带
I didn't see Mr. Jones,but I saw John Smith.
我没看见琼斯先生，但是我看见了约翰·史密斯。
This decline in vigour with the passing of time is called ageing.
生命力随时间的流失而衰退叫做衰老。