Security maintenance
[计] 安全维护
🧩 词语组成解析
🗣️ 情景例句
The first chopsticks were made from bone and jade.
第一批筷子是骨头或玉制成的。
Laugh, and the world laughs with you; weep, and you weep alone.
你笑，人人陪你笑；你哭，惟独你自哭。
I also need your permission to speak to the family lawyer about this matter.
我还需要你的许可，就关于这件事跟你们的家庭律师谈话。