Annual maintenance
[化] 年度维护; 年度养护; 年度维修
🧩 词语组成解析
🗣️ 情景例句
Let's get together and have a group study session.
咱们在一起组织一个学习小组吧。
The fog disrupted airline schedules.
这场大雾扰乱了航空公司的时刻表。
For all his life, he had known that people suddenly disappeared from their villages.
他一生中，听说过有的人突然间在他们的村庄失踪了。