Perimorph
n. [矿](包裹另一种矿物的)被壳矿物,包被矿物
🗣️ 情景例句
because she's had to go to Chicago on a business trip and can't leave till tonight.
因为她得到芝加哥出差，而且要到今晚才能脱身。
Karl must concentrate on his work.
卡尔必须集中精力于自己的工作。
There is no doubt about it.
那是毫无疑问的。