sit in on什么意思？

sit in on的音标：sit in on的英式发音音标为：[sit in ɔn]sit in on的美式发音音标为：[sit ɪn ɑn]...

Will they permit you to sit in on a few classes?他们会同意你旁听几节课吗？People can sit in on meetings, even if it's not really in their subject area.即使不在其研究专题范围之内，人们也可以列席会议。He was invited to sit in on a rehearsal.他被邀请参加预演....

...

IntroductionThe centrosome is the major microtubule organizing center ( MTOC ) of mammalian cells.中心体是哺乳类细胞主要的微管组织中心.Most mammalian cells contain multiple species of DNA dependent DNA polymerases.大部分哺乳动物细胞均含有多种依赖DNA的DNA聚...

lineage的音标：lineage的英式发音音标为：['lɪniɪdʒ]lineage的美式发音音标为：['lɪniɪdʒ]...

They came straggling up the cliff road...他们零零散散地沿着悬崖小路走上来。The meanders of a prattling brook, were shaded with straggling willows and alder trees.一条小河蜿蜒掩映在稀疏的柳树和桤树的树荫间,淙淙作响.They came straggling up the cliff road.他们零零散散地沿着...

结肠松解术...

impertinence的音标：impertinence的英式发音音标为：[ɪm'pɜ:tɪnəns]impertinence的美式发音音标为：[ɪm'pɚtnəns]...

“支渠”的英语可以翻译为：distributary，lateral，branch canal ...

fingerprint的一般过去时为：fingerprinted...

peopling的音标：...

A variety of viral agents cause aseptic meningitis or meningoencephalitis.各种病毒性因子可引起无菌性脑膜炎或脑膜脑炎.BACKGROUNDKawasaki disease could induce aseptic menptic meningitis, and it is not common.川崎病可以引起无菌性脑膜炎, 较罕见.Pseudocyst of Au...

欧洲避役属; 在某些分类中,避役科被认为是蜥蜴类的总科.Old World chameleons; in some classifications Rhiptoglossa is considered a superfamily of Sauria....

plural的复数形式为：plurals...

The Russians first fielded an intercontinental ballistic missile.俄国人首先发射了洲际弹道导弹.At present the only exit that the Russians had was Murmansk.目前俄国人唯一的出海口就是摩尔曼斯克.The two Russians evidently knew each other.那两个俄罗斯人明显彼此相识。Both...

accidentally的音标：accidentally的英式发音音标为：[ˌæksɪ'dentəlɪ]accidentally的美式发音音标为：[ˌæksɪ'dentəlɪ]...

harvest的现在完成时为：harvested...