Operating maintenance
[经] 经营修护, 小修
🧩 词语组成解析
operating
[['ɔpəreitiŋ]]
a. 操作的, 工作的, 营业上的, 业务的, 关于收支的, 关于损益的, 外科手术的\\n[机] 运转费用
🗣️ 情景例句
Good night, Son.
晚安， 儿子。
I was born and raised in Beijing, and I am 25 years old.
我出生在北京，在那里长大，我今年25岁了。
It's very kind of you to help me.
你帮助我真是太好了。