出国留学首选一诺留学

　　词汇学习

　　1.vacuum n/v.真空，在封闭状态中，用真空吸尘器打扫

　　例句：Wind is a current of air caused by a vacuumcaused by hot air rising.

　　风是由于热空气上升产生真空导致的一种气流运动。

　　2.humanitarian adj.人道主义的

　　例句：Air bombardment raised criticism on the humanitarian grounds that innocent civiliansmight suffer.

　　空袭遭到了批评，因为从人道主义的立场来看，无辜的平民可能会受到伤害。

　　3.decree n/v.颁布,命令

　　例句：The UN Security Council has decreed that the election must be held by May.

　　联合国安理会已通过决议，规定选举必须在5月前举行。

　　4.marijuana n.大麻

　　例句：He has been blacklisted since being convicted of possessing marijuana in 1969.

　　他自从1969年因持有大麻而被定罪后就被列入了黑名单。

　　5.extol v.赞美

　　例句：Now experts are extolling the virtues of the humble potato.

　　现在专家们都在赞美其貌不扬的马铃薯的种种好处。

　　内容解析

　　1.A senior official in World Athletics Nick Davies istemporarily stepping down, pending an internalinvestigation into an email he sent linked to Russiandoping.

　　step down 辞职

　　例句：Judge Ito said that if his wife was called as a witness, he would step down as trialjudge.

　　伊藤法官说，如果他的妻子被传作证，他将不再担任初审法官。

　　例句：He stepped down last week.

　　他上个星期辞职不干了。

　　2.The French Interior Minister Bernard Cazeneuve said they were refused entry because theyposed a risk to security and public order.

　　pose a risk to 造成危险

　　例句：Very comprehensive study on this topic has been conducted and the conclusion is that,linear alkylbenzene sulfonate does not pose a risk to humans.

　　针对这个问题进行过全面的调查研究 ,结论认为直链烷基苯磺酸钠对于人类并不造成危险。

　　例句：Antimicrobial drug residues in food from food-producing animals may pose a risk tohuman intestinal flora.

　　残留在食品中的抗菌药被人体摄入后可能会对人体肠道菌群产生影响。