Echard
n. [农](土壤中的)无效水量
🗣️ 情景例句
This is a brand new product; it proved to be a craze in the American market.
这是一个全新的产品，在美国市场掀起了一股热销潮。
I'll go to a concert.
我要去听音乐会。
if you think what it must be like to share the deck of a ship with several squadrons of jet aircraft,
因此，如果你能想像出同在一个甲板上是什么滋味儿的话，和几个中队的喷气机。