thumbtack的复数形式怎么拼写？

I press the thumbtack into the board with thumb.我用大拇指将图钉按在木板上.The thumbtack pricked his index finger.大头针扎了他一下手指.He pinned up the notice with a thumbtack.他用图钉将通知挂起来....

n.图钉vt.用图钉钉住...

thumbtack的音标：thumbtack的英式发音音标为：['θʌmtæk]thumbtack的美式发音音标为：['θʌmˌtæk]...

cobefrin的音标：cobefrin的英式发音音标为：['kəʊbɪfrɪn]cobefrin的美式发音音标为：['koʊbɪfrɪn]...

wrecked的音标：wrecked的英式发音音标为：[rekt]wrecked的美式发音音标为：[rekt]...

n.丙酮...

瘘管切除术...

exporter的复数形式为：exporters...

他喝醉了, 似乎很激动.疲惫不堪, 像是刚从服了脱氧麻黄硷后引起的幻觉中苏醒过来.He was drunk; he seemed excited and tired, as if he had just come down off methedrine....

adj.短的，短暂的，矮的，短缺的，短期的adv.突然，唐突地，简短地，横贯地n.短裤，短路，缺乏vt.故意少给…的零头，骗取vi.短路...

欧几里德几何的唯一性与必要性已被公认.The common conclusion was the uniqueness and necessity of Euclidean geometry.观察表明,这种唯一性有例外的情况.Observation shows that there are exceptions to the deterministic behavior.机遇具有唯一性, 只给你一次, 不给你两次.Good luck h...

cockyleeky的音标：cockyleeky的英式发音音标为：['kɒkɪ'li:kɪ]cockyleeky的美式发音音标为：['kɒkɪ'likɪ]...

Its own estimate of three hundred tallies with that of another survey.其估计数目300与另一项调查的结果相吻合。Our survey revealed that these allergies were mainly one-offs.我们的调查显示这些过敏多为一次性反应。A survey of 57 hospitals by Newchurch, a consult...

The two armies are contesting every inch of ground.两军正争夺每一寸土地.He's contesting the election next week.他在争取下周当选.How many people are contesting this seat on the town council?有多少人在争夺市议会这个席位?...

v.使变形，使变质( metamorphose的现在分词 )，变形，变质...

In printing, a duplicate letterpress plate made from an original by electroplating.在印刷技术中, 一种用电镀方法从原版复制成的印刷版.Of the total industrial cadmium use, 90 % is utilized in electroplating and pigments.工业用镉总量的90%用于电镀和涂料.Processe...

ips的音标：...

descant的复数形式为：descants...