Radiosclerometer
[医] [X线]透度计, [X线]硬度计
🗣️ 情景例句
Just because the other kids have motor scooters is no reason for you to stop riding your bike to school.
只是因为其他的孩子都有电单车上学，不足以成为你不骑车上学的理由。
I hope you're enjoying your stay here.
我希望你在这里过得愉快。
It was mailed last week.
上个礼拜我们还没收到。