Ismec
机械工程情报服务
🗣️ 情景例句
It's because I have a bad cold.
那是因为我患了重感冒。
How much is the rent for a month?
每月租金多少？
Debbie is only eleven years old and she hopes to set up a new world record.
黛比只有11岁，她希望创一项新的世界纪录。