used to indicate the person responsible for a creative workThe feast was served by smart waiters in black shirts.
passing the position ofShe was sitting in a rocking chair by the window.
not later thanWe all knew by then that the affair was practically over.
in advance of,
no later than
nearLarge numbers of security police stood by.
See by and by
See by yourself
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Video: pronunciation of 'by'
by 的词库—— 柯林斯 英语词库