Sith
(=since) prep.之后, 以前
🗣️ 情景例句
Dogs make great pets, but don't leave them alone with small children.
狗是最好的宠物，但不要让狗和小孩子单独在一起。
May I use the telephone?
我能用一下电话吗？
Would you like a cup of tea?
你想喝杯茶吗？