Thoracene
双(环辛四烯)合钍
🗣️ 情景例句
Please come in, Mr. Wilson.
请进，威尔逊先生。
What time are you leaving?
你几点钟走？
This caused the construction of gigantic buildings where too large masses of human beings are crowded together.
这样就导致了许多摩天大厦拔地而起，大厦内众多的人挤在一起。