咸菜

腌制咸菜时必须将坛口密封严实，以防外界空气和杂菌进入影响发酵。

yān zhì xián cài shí bì xū jiāng tán kǒu mì fēng yán shí, yǐ fáng wài jiè kōng qì hé zá jūn jìn rù yǐng xiǎng fā jiào.

When pickling pickles, the mouth of the jar must be sealed tightly to prevent outside air and miscellaneous bacteria from entering and affecting fermentation.