Trimorph
[矿](同质矿物结成三种不同的晶体的)三形体
🗣️ 情景例句
I'll call you on Friday to see if we can reschedule our luncheon meeting at your convenience.
我星期五会给你打电话，在你方便的时间重新安装我们的午餐约会。
A merry heart goes all the way.
生性乐天，终身受用。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.
某些大公司进行的研究属于一般和基础性的研究。因此不保密对他们才有利。