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
Can you have lunch with us later?
你能与我们一起共进午餐吗？
Patience, time, and money overcome everything.
耐心，时间和金钱可以征服一切。
or of the habits of the social insects, let us say.
和昆虫群居的习性