inner sac内袋(动)inneradj.内心的；内部的；里面的n.里面inner phalangeal cell内指状细胞inner magnetic screen内磁屏蔽inner helium canister内部液氦罐inner tube vulcanizer内胎硫化机inner-party culture党内文化inner quality control内部质控inner grease retainer内油挡inner function module内部功能模块inner pressure relief内部减压inner raceway grinder内沟磨床

1. The fire won't burn because the flue is blocked up.
   因烟道堵塞火烧不起来。
2. The flue should draw better once it's been swept.
   烟道一经清扫，通风情况应好些。