Semispherical
[化] 半球形封头; 半球形顶盖
🗣️ 情景例句
I think you could talk to Mr. Marchetta,
我想你可以跟Marchetta先生谈谈
What is the total circulation of this newspaper.
这家报纸总发行量多少？
They work all day.
他们整天营业。