Tintinnida
丁丁藻目; 铃形虫目
🗣️ 情景例句
He has a big sales office in Los Angeles,
他在Los Angeles有一个大的销售办事处，
We've increased our efficiency by 20% through automation.
通过自动化我们的效率增加了20%。
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。