Clide
放射性核素浓度
🗣️ 情景例句
He seems to be getting on very well at school.
他在学校似乎过得很好。
I took 4 feet of cloth.
我拿了四英尺布。
He was still mumbling something about hospitals at the end of the party when he slipped on a piece of ice and broke his left leg.
晚会结束时，他嘴里还在嘟哝着医院的事，突然踩到一块冰上滑倒了，摔断了左腿。