Maintainer
[医] 保持器
🏥 医学释义
①保持器 ②维修人员
🗣️ 情景例句
And I'm planning to get a job for the summer.
我想在暑假打工。
Nothing is difficult to a man who wills.
世上无难事，只怕有心人。
In fact a basic amount of movement occurs during sleep which is specifically concerned with preventing muscle inactivity.
事实上，睡眠状态下仍有着基本的活动量，以防止肌肉活动停止。