Indigotin
n. 靛青, 靛蓝\\n[化] 靛蓝
🗣️ 情景例句
Starving.
很饿。
I was little ill at ease.
我有点不自在。
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。