例句
This wooden bowl was made by my grandfather.
这个木碗是我祖父做的。
Urban air quality can be improved by expanding public transport and encouraging residents to cycle more often.
扩大公共交通服务并鼓励居民更多骑车，可以改善城市空气质量。
常用搭配
- by bus｜乘公交车
- by doing something｜通过做某事
- by the end of｜不迟于……结束时
- by hand｜用手工
用法提示
by表示截止时间；until表示状态持续到某时。