Qualimeter
X射线(穿透)硬度计
🔁 扩展释义
【医】 [X线]透度计, [X线]硬度计
🗣️ 情景例句
I have a new puppy and he has an excellent temperament.
我有只新的小狗，它的脾气很好。
Excuse me I couldn't tell you beforehand.
对不起我不能事先告诉你。
It's about a time when there were black slaves in North America. It's about their fight for freedom.
（它）讲的是有一段时期，北美洲存在黑奴。影片讲述他们为自由而斗争的情况。