Maintenance system
[计] 维护系统
🧩 词语组成解析
🗣️ 情景例句
There must be some way to put my mind to good use.
总会有办法让我发挥才智。
To learn about words in dictionary
用词典学习单词
In summer, people like to go sailing, swimming, horse-riding, and rock-climbing in the mountains.
夏天，人们喜欢去扬帆航行、游泳、骑马，还到山里去攀岩。