alert的现在完成时怎么写？

Due to a security alert, this train will not be stopping at Oxford Circus.由于安全戒备的原因，该次列车在“牛津街口广场”站将不停留。Matcham steady and alert, at a sign from Dick, ran along the thwarts and leaped ashore.麦青机警 、 镇静地照着狄克向他做的手势,急急地沿着船上的座...

adj.警觉的，警惕的，注意的，思维敏捷的，活泼的n.警报，警戒状态vt.向…报警...

alert的现在进行时为：alerting...

alert的近义词/同义词有：nimble, ready, quick, vigilant, clear-witted, awake, job, the, lively, on, watchful, one's, prompt, wide, toes, attentive, ready, torpid, bright, job, brilliant, signal, cautious, lively, prompt, circ...

alert的复数形式为：alerts...

alert的音标：alert的英式发音音标为：[ə'lɜ:t]alert的美式发音音标为：[ə'lɜ:rt]...

alert的一般过去时为：alerted...

The armed forces were on high alert to guard against any retaliation.武装部队保持高度戒备，以防发生任何报复行动。The bank is alert to the danger.银行充分意识到了危险。All the Plymouth hospitals are on red alert.普利茅斯所有的医院都处于紧急状态之中。...

alert的第三人称单数（三单）为：alerts...

alert的反义词有：torpid, asleep, languid, supine, heedless, listless, sluggish, lethargic, slow, dull, drowsy。adj.alert的反义词（警觉的;机警的,机敏的;灵活的）：torpid, asleep, languid, supine, heedless, listless, sluggish, lethargic, slow, dull。...

n.冰岛人( Icelander的名词复数 )...

eventualities的音标：...

Missilemen were busy at launching pads and hangars, preparing for two new moon shoots.火箭专家们在发射台及飞机棚中忙着准备两次月球火箭之发射试验.The Italian government was preparing to dispatch 4,000 soldiers to search the island.意大利政府正准备派遣 4,000 名士...

“丛林的”的英语可以翻译为：jungly ...

headbox的音标：headbox的英式发音音标为：['hedbɒks]headbox的美式发音音标为：['hedbɒks]...

atropism的音标：atropism的英式发音音标为：['ætrɒpɪzəm]atropism的美式发音音标为：['ætrɒpɪzəm]...

conformity的近义词/同义词有：yielding, submission, compliance, acquiescence, obediance, observance, assent, appropriateness, correspondence, similarity, suitability, concordance, consonance, homogeneity, concord, unanimity, coher...

n.镍铬铁锰合金...

n.污物处理（系统）...

“男联胎”的英语可以翻译为：androsymphia ...

examine的近义词/同义词有：study, inspect, explore, test, analyze, investigate, consider, scrutinize, review, observe, test, question, quiz, question, quiz, observe, inspect, test, survey, criticize, probe, consider, audit, analyz...

launch的现在进行时为：launching...

inhalers的音标：inhalers的英式发音音标为：[ɪn'heɪləz]inhalers的美式发音音标为：[ɪn'heɪləz]...

运送遗体的是一座炮架,伴随着一声礼炮响起,遗体下葬了.A gun carriage conveyed him ; a gunfire salute accompanied him into the earth....

anacom的音标：anacom的英式发音音标为：['ɑ:nəkɒm]anacom的美式发音音标为：['ɑnəkɒm]...