Security administration
[计] 安全管理
🧩 词语组成解析
🗣️ 情景例句
Really? I'm not much of an outdoor person.
真的？我不是很喜欢户外活动的人。
The efficiency is greatly raised,and the intensity of labor is decreased.
工作效率大大地提高了，而劳动强度却降低了。
Nothing at all.
什么也看不见。