Stethoscopes
n. 听诊器( stethoscope的复数形式 )
🗣️ 情景例句
Are all the classes within walking distance?
所有的教室都在步行范围之内吗？
The sewing machine is out of order.
这缝纫机坏了。
I can't say for certain off-hand.
我还不能马上说定。