Radiosclerometer
[医] [X线]透度计, [X线]硬度计
🗣️ 情景例句
Nothing's as refreshing as ice water on hot day!
在大热天没有什么像冰水那样提神。
Thank you for inviting us; we had a wonderful time.
谢谢您的邀请，使我们过得很快乐。
Sometimes it snows, and the land is all white. Then we go skating.
有时会下雪，地面白茫茫一片。那时我们就去滑冰。