Dcg
定子句文法
🏥 医学释义
①直流发电机 ②置换心动描记器
🗣️ 情景例句
I'm so excited!
我好兴奋！
My sister has been engaged for two months.
我的姐姐订婚有2个月的时间了
Until we are intelligent as to its laws and varieties,
直到我们理解了风俗的规律性和多样性，