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n. 开关齿轮
✅ 同义词
🗣️ 情景例句
And give her a teaspoon of the medicine after every meal.
每餐之后给她吃一茶匙的药。
Business before pleasure.
事业在先，享乐在后。
Grandma is ill, she said. I must take her to hospital.
“奶奶病了，”她说，“我必须送她去医院。