Karidium
氟化钠
🗣️ 情景例句
I should be finished packing by then.
到那时候我应该已经整理好行李了。
You can stay as long as you pay the rent on time.
只要你按时交房租，你就能住这儿。
Poor Ian!He didn't want to leave this house.
可怜的伊恩！他本不想离开这幢房子。