convection zone什么意思解释？

convection zone的音标：...

“船员”的英语可以翻译为：oatman，mariner，boater，(ship's) crew，sailor ...

swim的现在完成时为：swum...

铸锭...

“足后板”的拼音为：zú hòu bǎn...

There are differences between historical and astronomical numbering of years.在历史的年代数目和天文年代数目之间存在差别.In Attica there were four tribes, each consisting of three phratries, each phratry numbering thirty gentes.在阿提卡,共有四个部落, 每...

The group said results for the third quarter are due on October 29.该集团表示第三季度的结果将于10月29日公布。They are scheduled for arraignment October 5th.他们定于10月5号接受提审。The shows kick off on October 24th...演出10月24日开始。On 1 October the US s...

The activity of FHA and agglutinogen had the same results.FHA活性及血凝效价具有相似的变化....

These days, cartoonists send in their work by fax.现在卡通画家用传真机发送作品。His size was persistently distorted by the cartoonists.漫画家们总是把他画得变形了。Politicians were always considered fair game by cartoonists.政客们通常是漫画家所讽刺的对象。...

n.异腈，胩，异氰化物...

n.半抗原...

...

“惶惑”的拼音为：huáng huò...

OPEC production is holding at around 21.5 million barrels a day.石油输出国组织的石油产量保持在每天约2,150万桶。Several fishermen sat on wooden barrels, tending their nets.几个渔夫坐在木桶上修补渔网。The company buys and sells about 600,000 barrels of oil ...

n.居民，居住者(dwell的派生)...

n.己胺...