Premium grades
[化] 优等品
🧩 词语组成解析
n. 分数；等级（grade的复数形式）
🗣️ 情景例句
Remember our fishing trips?
还记得我们以前那些钓鱼之行吗？
It is too late to come with the water when the house is burnt down.
马后炮。
After they moved the bag away, the girls let the traffic go again.
他们搬走那袋米之后，女孩们解除了交通管制。