Arthrometer
关节动度计
🗣️ 情景例句
and I promised to have lunch with both of them today.
我答应今天和他们共进午餐。
Would you please open the door for me?
请你帮忙开个门好吗？
Even if two of these were flooded, she would still be able to float.
即使有两个舱进水，仍可漂浮的水面上。