Externus
外的, 外部的, 外界的(指远离器官或体腔中心的结构)
🗣️ 情景例句
Don't mince words.
别吞吞吐吐的。
The German quotation is lower than yours.
德国报价比你们的低。
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。