observe的一般过去时怎么写？

Objective To observe the curative effect of ligating esophageal varices under endoscope.目的观察内镜下食管静脉曲张结扎疗效.To observe the change of serum bilirubin in patients with MHD and its clinical significance.目的探讨维持性血液透析(MHD)患者血清胆红...

observe的第三人称单数（三单）为：observes...

observe的近义词/同义词有：commemorate, celebrate, inspect, study, see, note, scrutinize, review, examine, contemplate, perceive, keep, with, comply, obey, follow, practice, heed, discern, examine, look, spy, eye, behold, inspect,...

observe的近义词有：look, see, watch, observe, witness。下面这些动词均有"看"的含义：look：侧看"重"的动作。see：指看见。watch：指用眼睛跟随某物，以便对每一个变化、运动等进行观察。observe：侧重以客观的态度进行观察。witness：指当场看见，亲眼看见。...

vt.& vi.观察，研究vt.遵守，观察，庆祝vi.注意，说，评述，当观察员...

observe的反义词有：violate, violate。vt.observe的反义词（遵守;保持）：violate。observe的反义词（其他释义）：violate。...

observe的音标：observe的英式发音音标为：[əb'zɜ:v]observe的美式发音音标为：[əb'zɜrv]...

observe的现在完成时为：observed...

observe的现在进行时为：observing...

Scientists observe the same dynamics in fluids.科学家们在液体中观察到了同样的驱动力。Let's observe a minute's silence in memory of the dead.让我们为死者静默一分钟.We must observe the correct protocol.我们必须遵守应有的礼仪....

tedium的音标：tedium的英式发音音标为：['ti:diəm]tedium的美式发音音标为：['tidiəm]...

pioneer的音标：pioneer的英式发音音标为：[ˌpaɪə'nɪə(r)]pioneer的美式发音音标为：[ˌpaɪə'nɪr]...

jubilance的音标：jubilance的英式发音音标为：[d'ʒu:bɪləns]jubilance的美式发音音标为：[d'ʒubɪləns]...

amenity的复数形式为：amenities...

passion的复数形式为：passions...

n.愿意，意志（力），[法]遗嘱vt.决心要，将（财产等）遗赠某人，用意志力驱使（某事发生）vi.愿意， 希望， 想要...

knave的音标：knave的英式发音音标为：[neɪv]knave的美式发音音标为：[nev]...

n.甲板水手，下级水手( deckhand的名词复数 )...

prospective的近义词/同义词有：promised, future, anticipated, due, coming, expected, awaited, eventual, coming, future, retrospective, intended, forward, forwards, expectant, due, or, eventual。adj.prospective的近义词（将来的;结果的）：promised...

“软设备”的英语可以翻译为：software ...

adv.杜撰地，编造地...

joining的音标：joining的英式发音音标为：['dʒɔɪnɪŋ]joining的美式发音音标为：['dʒɔɪnɪŋ]...

因着他的努力, 内布达斯卡州设立了植树节.Because of him, Arbor Day was set up in Nebraska.你可能在学校里听过植树节.You may have heard of Arbor Day at school.植树节你们干什么? 我们种树.What do you do Tree Planting Day? We plant trees....

trespass的音标：trespass的英式发音音标为：['trespəs]trespass的美式发音音标为：['trɛspəs, -ˌpæs]...

upsurges的音标：...