- 1. let in: 允许进入
... if引导的从句的用法 let in 允许进入，允许参加 take away 拿走，拿开 ...
dict.youdao.com - 2. let in: 让
... keep up保持，维持;继续，坚持 let in让...进入，放…进来 let out放掉，放出，发出 ...
dict.youdao.com - 3. let in: 放进
... let down：放低；放下；拿下；使失望；对……失约 let in：让进来；放进；漏水 let off：让（某人）上岸或下车；放（炮、烟火等），放过；原谅 ...
dict.youdao.com - 4. let in: 允许参加
... let ... down 使......失望或沮丧 let in 允许进入；允许参加 let know 告知；使知晓 ...
dict.youdao.com - 5. the let in service: 发球无效
dict.youdao.com - 6. the let in service: 发球有效
dict.youdao.com - 7. the let in service: 活球期
dict.youdao.com - 8. let in air: 进气
dict.youdao.com - 9. let in air: 通风
dict.youdao.com - 10. let in air: 使…通风
dict.youdao.com
有道词典