swab的一般过去时怎么写？

swab的现在完成时为：swabbed...

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....

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）...

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]...

swab的第三人称单数（三单）为：swabs...

swab的复数形式为：swabs...

thumb的现在完成时为：thumbed...

Acoelomata的音标：...

despot的复数形式为：despots...

“黑名单”的英语可以翻译为：lacklist，[电影]The List...

charts的音标：...

局部分裂...

A cactus is any member of the spine plant family Cactaceae, native to the Americas.仙人掌是任何家庭脊柱植物仙人掌, 原产于美洲的成员....

海鸡冠目...

subsisted的音标：...

Eventually hydrogen becomes fixed in traps in the metal, leading to hydrogen embrittlement.终于,氢渐渐地被固定在金属内部的“陷阱”中而导致氧脆.After irradiation, the steel will have different tendency of embrittlement.钢材经中子辐照后会产生不同程度的脆化倾向.Howeve...

When this stage is reached then the hindrances and karma are overcome.唯此状态达到后,则超越阻碍和因果.The hindrances to obtaining these good qualities are the defilements as hatred so on.障碍我们得到这些良善品质的是象嗔恨等的各种染污.Good will opens the gate...

cycloate的音标：cycloate的英式发音音标为：['saɪkləʊeɪt]cycloate的美式发音音标为：['saɪkloʊeɪt]...

bacciferous的音标：bacciferous的英式发音音标为：[bək'sɪfərəs]bacciferous的美式发音音标为：[bək'sɪfərəs]...

tidies的音标：...

阿霉素...