roost的现在完成时怎么写

roost的一般过去时为：roosted...

roost的现在进行时为：roosting...

roost的第三人称单数（三单）为：roosts...

roost的复数形式为：roosts...

roost的音标：roost的英式发音音标为：[ru:st]roost的美式发音音标为：[rust]...

Instinct led the pigeons back to the roost.鸽子的本能使它们返回鸽棚.Chickens roost at night.鸡晚上歇息.Birds roost in [ on ] the trees.鸟儿 栖 在树上....

n.栖木，鸡棚，（鸟类）栖息处，歇息处vi.栖息，过去事情的恶果显现出来，自食恶果，得到报应...

You should not have sold the car in that unsafe condition ; sooner or later your misdeeds will come home to roost.你不该把那辆不安全的车卖掉, 你的不端行为迟早会得到报应.For years he avoided paying tax. But now his chickens have come home to roost...

“贫瘠”的英语可以翻译为：poor，barren，infertile，infertility，leanness ...

n.转让，承认新地主...

他们验明6种植物有可能提炼出药物麻醉剂。They identified six plants as having potential for development into pharmaceutical drugs.他们已在临床试验中接受过这种药物的治疗。They have been treated with this drug in clinical trials.加西亚总统已经下令空运食品、药物和毛毯。President Garc...

“着水板”的英语可以翻译为：hydrovane ...

documented的音标：documented的英式发音音标为：['dɒkjʊməntɪd]documented的美式发音音标为：['dɒkjʊməntɪd]...

n.忍冬科的药草...

“安排的”的英语可以翻译为：[医]ord.，ordered ...

但是近些年杂色的马海毛用量也增长.But the appeal of mixed - color more mohair has grown in recent years....

n.人造肾脏...

Inquiries about grants or scholarships should be to the College Bursar.申请补助金和奖学金者请把信寄给大学会计员.We have three children. I work in bursar's office at Columbia.我们有三个孩子. 我在哥伦比亚大学的财务处工作.Did you manage to speak to the bursar...

曾经是很清澈的山溪,现在受到污染变得混浊了.The once clear mountain stream is now polluted and opaque.空气变得混浊,烟雾弥漫.The air had grown thick and smoky.她把它扔进了混浊的河水深处.She threw it into the river's murky depths....

“垂足线”的英语可以翻译为：pedal line，pedal，pedal curve ...

n.血管造影法...

“早熟”的英语可以翻译为：[生理] precocity，paedogenesis，early-maturing，early-ripe，earliness...

ultimatum的复数形式为：ultimatums...