Merwinite
[化] 镁硅钙石
🗣️ 情景例句
Stretch up...and we're going to go left first ...
伸展……先向左……
All work and no play make Jack a dull boy.
尽量学，尽情玩。
This continental slope usually starts at a place somewhere near the 100-fathom mark
一般是从差不多100英寻水深的地方开始的，