密封

mìfēng

HSK 7

密封 — mìfēng

  1. to seal up; to close so that nothing can get in or out

    请把瓶口密封好,以免空气进入。 qǐng bǎ píngkǒu mìfēng hǎo yǐmiǎn kōngqì jìnrù — Please seal the bottle mouth well to prevent air from getting in.