Neotetrine
四环素
🗣️ 情景例句
Is it all right if I use a letter of credit?
如果我使用信用证，没关系吧？
I have too much work to do to take time off for fun and games.
我工作多得没有游戏玩乐的时间。
Good morning! What's your name, please?
早上好！请问你叫什么名字？