Yoderite
紫硅铝镁石
🗣️ 情景例句
I eat there a lot.
我在那 吃过好多次。
Do one's level best.
尽力而为。
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。