Clide
放射性核素浓度
🗣️ 情景例句
Richard Stewart, 46 Linden Street,Riverdale, New York.
Richard Stewart 林登街46号，Riverdale，纽约"。
Money is often lost for want of money.
往往由于缺乏金钱而丧失金钱。
Oh dear! What a terrible cough!
噢，宝贝！咳得还真厉害呢！