Steelyards
(steelyard 的复数) n. 杆秤
🗣️ 情景例句
But it's fun.
但很有趣。
A ragged coat may cover an honest man.
不能以衣著取人。
So was born the echo-sounding apparatus, now in general use in ships.
这样就产生了目前各种船舶上普遍应用的回声探测仪。