单词：sulfuric acid spot test
单词：sulfuric acid spot test 相关文章
Acid Rain 酸雨 Damage from acid rain is widespread - not just in eastern North America, but throughout Europe, Japan, China, and Southeast Asia. Is the rain that's falling on your umbrella acidic? A listener's question -- on today's Earth and Sky. J
(科普英语)Earth and Sky
Tip(诀窍)，resistance F: take up(获得) any sales tips? M: sure, give you 10% off and let you loose (放任自由)in my store F: I admit it. My sales resistance（对推销的抵制力） is low. M: your sales resistence is not existent. F: Im a pushover（容易被
VOA 商务英语
1. rely on=depend on 依靠v. 2. avoid=stay away=keep away=steer clear of=make a detour 避免v. 3. die out=extinct=disappear=no longer exist 灭绝 v. 4. hunt=search for=look for=try to find=in search of 打猎v. 5. limb=arm or leg=body=organ 四肢
雅思英语
How does acid deposition affect human health? We eat food, drink water, and breathe air that has come in contact with acid deposition. Canadian and U.S. studies indicate that there is a link between t
知性英语
语言是评判作文的一个极其重要的因素。在实际的阅卷过程中，语法错误，尤其是较为严重的错误，是阅卷人员的主要照顾点，有时甚至是惟一的点；当然那样处理是有道理的，大家可以设想
英语作文
推论题(Inference)：文章中有些论点/观点没有明确阐述，但却强烈暗示出来了。例如，文章论述的结果引出了，推论题就可能就造成结果的起因提问。如果文中有比较，推论题就可能问做比较的
托福英语