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1·She had cleaned under her fingernails, twirled the wax out of her ears with a cotton bud.

她清洁了她指甲的下方，用棉花棒掏出她耳中的耳垢。《柯林斯英汉双解大词典》

2·Use a soft object - e. g. a very clean cotton bud to make sure the whole sensor is covered by the tape evenly.

使用柔软的物体-例如一个非常干净的棉花棒，以确保整个传感器是由磁带均匀覆盖。

3·With the fine metal polish, mini electric drill and cotton bud can be used to clean the metal surface, and the effect is good.

用微型电钻和棉签配合精细金属抛光膏，可用于清洁金属表面，效果很好。

4·We draw a conclusion that, this gene may affect the development of cotton young bud and relate to fertility cotton due to transposition.

综合以上结果及文献推测，本实验分离到的基因可能与棉花幼蕾发育以及可能因转座行为引起的育性相关。