Pentafluorated
五氟化的
🗣️ 情景例句
and get some fresh air?
呼吸一些新鲜空气呢？
Paul will not continue to arbitrate their arguments.
保罗不会继续替他们的吵架做和事佬吧。
It was rather like an exhibition of prehistoric electronic equipment.
这儿倒像是在展览古老的电子设备。