Trim the ends after the permanent, please.

烫发后末端修剪一下。

Together they recruit enzymes that chop the pre-crRNA into smaller pieces and trim the 5 prime ends of those pieces.

它们一起招募酶，将pre-crRNA切成小段，并将这些小段的5'端修剪整齐。

Once that's done cooking go ahead and rinse with cold water, and if you need to use some scissors to trim off the ends.

煮好后，用冷水冲洗，如果需要，可以用剪刀修剪尾部。