swab的一般过去时怎么写？

swab的现在完成时为：swabbed...

swab的复数形式为：swabs...

swab的第三人称单数（三单）为：swabs...

swab的现在进行时为：swabbing...

swab的音标：swab的英式发音音标为：[swɒb]swab的美式发音音标为：[swɑb]...

n.（医用的）拭子，药签，（用拭子取下的）化验标准vt.用拭子拭抹或擦净（某物），（用拖把、抹布等）擦洗（某物）...

to take a throat swab用棉签从咽部采集化验样品Administer the salve to the sunburned area with a cotton swab.请用棉药签把药膏敷在晒伤的地方.She used cotton wool to swab her wounds when they bled.伤口渗出来的血水需要棉花来抹掉....

Oil shortages have brought on an energy crisis...石油短缺已经造成了能源危机。Employees have been idle almost a month because of shortages.由于原料短缺，员工们已将近一个月无事可做。The article discusses the advantages and shortages of SPM which is used as ...

“委婉”的近义词/同义词：坦率, 婉转, 含蓄, 隐晦。...

自动升级，自动更新...

influence的现在进行时为：influencing...

amblychromatic的音标：amblychromatic的英式发音音标为：[æmbli:krəʊ'mætɪk]amblychromatic的美式发音音标为：[æmblikroʊ'mætɪk]...

dubiously的音标：dubiously的英式发音音标为：['dju:bɪəslɪ]dubiously的美式发音音标为：['djubɪrslɪ]...

settee的复数形式为：settees...

注射液...

v.剥夺，夺去，使丧失( deprive的现在分词 )...

anorogenic的音标：anorogenic的英式发音音标为：[ænɔ:rəd'ʒenɪk]anorogenic的美式发音音标为：[ænɔrəd'ʒenɪk]...

blossom的现在进行时为：blossoming...

emigrate的音标：emigrate的英式发音音标为：['emɪgreɪt]emigrate的美式发音音标为：['ɛmɪˌɡret]...

adj.确定的，自信的，自大的，狂妄的，胆大妄为的，被保了险的n.被保险人，保险受益人，深信无疑，非常肯定v.使相信，使确信(assure的过去式)，保险，使相信，使确信(assure的过去式和过去分词)，保险...

detentions的音标：...

我们会被好闻的味道吸引，难闻的味道则会让我们退避三舍。We are attracted by nice smells and recoil from nasty ones.两个男人都在抽着难闻的烟斗。Both men were smoking evil-smelling pipes.那个真空吸尘器有股很难闻的气味。The vacuum has an unpleasant smell....