Rayage
[医] 射线用量规定
🗣️ 情景例句
How's your son getting on with his English?
你儿子的英语学得好吗？
My hat is white.
我的帽子是白色的。
If I work in the garden, I have to sit down and rest every five minutes.
如果我在花园里干活，每5分钟就得坐下来休息。