Colva
[德]科尔瓦（纺前染色粘胶短纤维）
🗣️ 情景例句
She's having a baby?
她怀孕了吗？
Napolean himself was once a crying baby.
即使是拿破仑，过去也是啼哭的婴孩。
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。