Security maintenance
[计] 安全维护
🧩 词语组成解析
🗣️ 情景例句
just listening to it.
听着这些声音时。
A good wife and health is a man's best wealth.
贤妻和健康是男子的至宝。
I'm afraid I didn't, officer.I must have been dreaming.
恐怕我没有看见，警官。我一定思想开小差了。