The end-of-fermentation acetaldehyde content tended to be lower using top yeast than bottom yeast.

上面酵母比下面酵母的乙醛含量低。

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Then it began to act like yeast used in slow-fermenting lagers, settling to the bottom of the tank but not going dormant.

然后它们开始像用于慢性发酵的储藏啤酒的酵母一样活动，深入酿造箱底部，却又不休眠。

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Soon after that the yeast will drop to the bottom of the container and you will not see it working, but it will still be fermenting.

很快，酵母会沉到瓶底，这个时候你可能看不到酵母在工作，但这个时候酵母在发酵。

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