Tetrabromomethane
四溴甲烷
🗣️ 情景例句
How are things with you?
一切都好吗？
A true friend is known in the day of adversity.
疾风知劲草，患难知友情。
Squeezing through a cleft in the rocks, the pot-holers arrived at an enormous cavern, the size of a huge concert hall.
洞穴探险者从岩石缝里挤身过去，来到一个巨大的洞里，其大小相当于一个音乐厅。