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
People who take less exercise seem more vulnerable to illness.
缺少运动的人对疾病的抵抗力就差。
I'll back you up.
我支持你！
It has 102 storeys and 73 lifts.
有102层楼，有电梯73部。