Safety standards
[经] 安全标准
🧩 词语组成解析
n. 标准；规格（standard的复数）
🗣️ 情景例句
He spends too much money on his hobbies.
他在爱好方面花了很多钱。
To be virtuous is to do good.
行善是美德。
Which girl?
哪个女孩？