Thermometamorphism
热同素异形(现象),[地质]热力变质
🗣️ 情景例句
It's a great party, isn't it?
这个派对很不错，是吗？
Drop me a line.
写封信给我
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。