[化] 油醇二硫酸盐

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发表于:2018-12-04 / 阅读(81) / 评论(0) 分类 英文魔法师字源大挪移

bedizen, [bi'diz(ə)n] v 把装饰得过分华丽而俗气;穿着俗丽 【记】bed床

发表于:2018-12-30 / 阅读(66) / 评论(0) 分类 不择手段背单词

Protamine sulfate is a drug that reverses the anticoagulant effects of liver compounds such as heparin. Protamine is extracted from the sperm of salmon and other species of fish, and then made into a protamine sulfate injection which is a necessary d

发表于:2019-01-19 / 阅读(65) / 评论(0) 分类 世界各地新闻集锦

今天Larry和李华要到朋友Bob家里,Bob因为要搬家,所以把他的立体音响卖给Larry。今天李华会学到两个常用语:dibs和shotgun. LL: I'm really glad that Bob gave me fi

发表于:2019-02-05 / 阅读(74) / 评论(0) 分类 美国之音《流行美语》

We keep pumping carbon dioxide into the atmosphere and the earth keeps warming. Climate scientists have predicted that the consequences of unchecked warming could result in everything from catastrophic flooding to larger and more deadly hurricanes. S

发表于:2019-02-23 / 阅读(48) / 评论(0) 分类 英语时差8,16

First off, I'll mention that at the bottom of the sea there exist veins of zinc, iron, silver, and gold whose mining would quite certainly be feasible. 首先,我对您说,海底有锌、铁、银、金等矿藏,开发并不是不可能的事。

发表于:2019-02-25 / 阅读(117) / 评论(0) 分类 《海底两万里》中英双语有声读物
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