Kingpost
[建]主梁, 中柱, 桁架中柱, 吊杆柱, 起重柱, 将军柱
🗣️ 情景例句
Everybody.
每一位。
Flying volcanic bomb
喷燃着的火山弹
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。