drill的第三人称单数怎么写？

drill的复数形式为：drills...

A plug had been inserted in the drill hole.钻孔已塞上了塞子。The drill should be slowly rotated to ensure a clean hole.钻头必须缓慢转动，以保证钻孔平整光滑。It took five years to drill down to bedrock.耗时五年才钻到了基岩。...

drill的现在完成时为：drilled...

n.操练，钻头，军事训练，（应对紧急情况的）演习vt.& vi.钻（孔），打（眼），操练，训练vt.作…演习，操练...

drill的音标：drill的英式发音音标为：[drɪl]drill的美式发音音标为：[drɪl]...

drill的一般过去时为：drilled...

Formulate pre - proposal on fire fighting and emergency evacuation and organize regular fire drill.制定灭火和应急疏散预案,定期组织消防演练.Get the special drill bit to bore the correct-size hole for the job.做这个活儿要拿个特殊的钻头来钻个大小合适的孔。You'...

drill的现在进行时为：drilling...

drill的近义词有：drill, exercise, practice, training, discipline。下面这些名词都有"练习，训练，锻炼"的含义：drill：侧重进行有系统的，严格和重复的练习。exercise：主要指为强壮体魄而进行的锻炼，也可指进行练习以保持已经获得的技巧。practice：指把所学的理论或知识用于实践以获得技艺与技巧。training：普通用词，泛指为从事某种职业而进行的身体或智力方面的训练。dis...

vt.使恐慌（panic的过去式与过去分词形式）...

Bertillon的音标：Bertillon的英式发音音标为：['bə:tilɔn]Bertillon的美式发音音标为：['bɚtlˌɑn, bɛrti'jɔŋ]...

vanishing的音标：vanishing的英式发音音标为：['vænɪʃɪŋ]vanishing的美式发音音标为：['vænɪʃɪŋ]...

The chrysalis is invaginated.蚕蛹作茧自缚....a butterfly emerging from its chrysalis.从蛹壳中羽化而出的蝴蝶A larva metamorphoses into a chrysalis and then into a butterfly.幼虫变为蝶蛹,再变成蝴蝶.A larva metamorphose into a chrysalis and then into ...

n.酸血症...

Flong: The turn over the film so that a mirror - image is produced.纸型纸(纸型): 铅铸版制膜所用的特别纸张.压制成膜后则称[纸型]....

A more than deathlike silence then reigned in the house.这时,整幢房子被死一般的寂静笼罩着.Her appearance was deathlike, and her look of despair very pitiful.她的脸色像死人一样苍白, 绝望的神态令人心酸....

adj.顽固的，固执的，难于控制的，方头不劣...

once a week的音标：once a week的英式发音音标为：[wʌns ə wi:k]once a week的美式发音音标为：[wʌns e wik]...

“露珠”的拼音为：lù zhū...

adj.发出的，流出的n.（注入河里等的）污水，工业废水，（从湖等）流出的水流...

n.庚烯...

n.臭椿属( ailanthus的名词复数 )...

heterokinesis的音标：heterokinesis的英式发音音标为：[hetərəʊkaɪ'ni:sɪs]heterokinesis的美式发音音标为：[hetəroʊkaɪ'nisɪs]...

We are already doing the groundwork for the introduction of the scheme next year.我们已经在为明年施行计划做些基本的准备工作。Yesterday's meeting was to lay the groundwork for the task ahead...昨天的会议是为以后的工作做准备。These courses provide the gro...