Hemisphericalhead
[化] 半球形封头; 半球形顶盖
🗣️ 情景例句
Please sit down, Mr. Mark.
请坐吧，马克先生。
In university, students are trained to become doctors and nurses.
大学的学生被训练成为医生和护士。
I can't remember. Did I put them under the table?
我想不起来了。 放在桌子下面了吗？