Convertors
n. [冶] 轉(zhuǎn)爐；變流器；轉(zhuǎn)化器
??? 情景例句
That's a good sign.
這是個好兆頭。
How many cans are you going to take?
你要拿幾罐？
We need to find one about 30 centimetres(cm) by 30 cm by 50 cm.
我們需要找一只尺寸大約為30（厘米）X 30（厘米）X 50（厘米）的水箱。