1.(=concentration)浓度;浓缩;【矿】富集,选矿
2.【化】(=cobalt)钴
1.(=concentration)
2.[Chemistry](=cobalt)
1.Colorado
1.Never be the first one to leave. Observe how your co-workers behave around quitting time. It does no look good for you to be eager to leave.
绝不要第一个离开办公室。看看你的同事到下班时的举动如何。
2.Poisons and pathogenic micro-organisms are among the natural health hazards with which human beings are obliged to co-exist.
毒药和致病微生物是人类不得不与之共存的天然健康危害。
3.He said the unit was on the mend with his appointment of David Sokol, chairman of MidAmerican Energy Holdings Co. , to its helm.
他说在他任命中美能源控股公司（MidAmericanEnergyHoldingsCo.）董事长索科尔（DavidSokol）执掌NetJets公司之后，其业务正在好转。
4.This "duho" was not just a seat: it was the doorway to the other world, the parallel realm where past, present and future co-existed.
“Duho”不仅仅是个凳子，它是通向另一世界的门，是过去、现在和未来并行的领域。
5.My co-workers invited me to join them at a local restaurant after work, but I decided to opt out of since I was exhausted.
同事邀请我完工作后到当地一家餐馆聚会，但因为实在太累，我决定不参加。
6.Bill Winters, J. P. Morgan's former co-head of investment banking, once said the bank's shares would fall 20% if Dimon left.
曾任摩根大通投资银行部联席主管的温特斯（BillWinters）说过，如果戴蒙离任，摩根大通的股价将下跌20%。
7.Plus, the tool allows you to take notes on Twitter users for your co-users to see.
另外，该工具允许您在twitter用户上发布让co-users看到的笔记。
8.Communications between the multiple simulation engines in co-simulation mode are extremely complex, yet remain very easy for you to use.
协同仿真模式下各仿真引擎间的通信虽然非常复杂，但是使用起来却是相当方便。
9.This was the first and last time that Frank Capra produced , financed , directed and co- wrote one of his films .
这是弗兰克·卡普拉所有影片中，第一部也是最后一部，由他本人监制、筹措资金、导演、参与编写的作品。
10.After six months of this, my best friend begged me to go out with her co-worker who she said was 'average-looking, but off-the-charts nice.
在六个月之后，我最好的朋友央求我去和她的一位同事约会，这位同事据他讲是“虽然相貌平平，但是人非常的好。”