Phacolith
[地质]岩夹, 岩透镜
🗣️ 情景例句
I would like to send this by registered mail, please.
我想把这封信挂号寄出。
It takes two to make a quarrel.
要有两个人才吵得起来。
The most wonderful piece of machinery on show was Nasmyth's steam hammer.
其中最奇妙的是内史密斯的蒸汽锤。