Hemisphericalhead
[化] 半球形封头; 半球形顶盖
🗣️ 情景例句
You should use 'officer' to address a policeman.
你应该用 'officer' 来称呼警察。
Take something by the best handle.
理解某事物，乘其好机会。
'I've been coming up here night after night for weeks now.
“好几个星期了，我天天夜里到钟楼上来。