Mauritania
n. 毛里塔尼亚
🗣️ 情景例句
Oh! My, how he's grown!
噢， 天啊， 他长这么大了！
I need it badly.
我急着要。
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。