Danger classes
[化] 危险等级
🧩 词语组成解析
danger
['dendʒɚ]
n. 危险;危险物，威胁;
n. 级别, 阶级（class复数形式）
🗣️ 情景例句
I'm taking too much of your time.
我耽误了你很多时间。
The frog is frightened at the sight of a snake.
那只青蛙因为看到了蛇而战抖。
It is all very well for such things to occur in fiction.
这种事发生在小说中是无可非议的。