Karidium
氟化钠
🗣️ 情景例句
I can't expect you to take my side against Boswell.
我不敢期望你站在我这一边来对抗Boswell。
I lack words, with which to express my thanks.
我无法以言语来表达我的感激之情。
Busmen have decided to go on strike next week.
公共汽车司机决定下星期罢工。