Jacksonite
艳杆沸石
🗣️ 情景例句
Reading.
读书。
Generally speaking, a contract cannot be changed after it has been signed by both parties.
一般来讲，合同一经双方签订就不得更改。
What do you have to do round the house when you're at home?
你在家时得做些什么家务事？