观察血细胞实验报告:英汉互译~~

来源:百度文库 编辑:神马品牌网 时间:2024/05/16 12:07:41
翻译成英文:
(过去)经常不做某事

要写2个
谢谢

be used not to do sth

rarely did sth.
frequently forget/refuse(选一个与句意相合的动词) to do sth.