Hemisphericalhead
[化] 半球形封头; 半球形顶盖
🗣️ 情景例句
I'm glad our negotiation has come to a successful conclusion.
我很高兴这次洽谈圆满成功。
Jerry listened to the adventure program on the radio.
杰瑞在收听收音机的冒险节目。
The hunt went on for several weeks, but the puma was not caught.
搜寻工作进行了好几个星期，但始终未能逮住那只美洲狮。