GLOSSARY

　　accident  n. sth. esp. sth. unpleasant， undesirable or damaging， that happens unexpectedly or by chance 意外的事；事故

　　circulate  v. move or flow along a closed path 循环；环流

　　clump  v. gather into or form a mass 丛生；成群

　　concentration  n. the measure of the amount of a substance contained in a liquid 浓度

　　condition  n. the state of general health or fitness 状况，状态

　　consequence  n. sth. that follows from an action or condition； result 结果，后果

　　determine  v. decide； find out （the exact facts） 决定，确定

　　donate  v. make a gift of （sth.） esp. for a good purpose 捐赠，赠送

　　donor  n. 损赠者；捐血者（blood~）

　　gobble n. eat quickly， and sometimes noisily 狼吞虎咽

　　infect  v. put disease into the body of （sb.） 传染；感染

　　invade  v. attack and spread into so as to take control of 侵入；侵袭

　　laboratory  n. a building or room in which a scientist works， with apparatus for the examination and testing of materials 实验室；研究室

　　microscope  n. an instrument with lenses for making very small objects seem larger 显微镜

　　mixture  n. a set of substances mixed together， which keep their separate qualities while combined in one mass 混合物；混合剂

　　release v. set free； allow to come out 释放；放出

　　response  n. an action done in answer 响应；反应

　　sensitive  a. quick to show or feel the effect of a force or of the presence of sth. 敏感的

　　separate  v. set or move apart 分离，分开

　　soar  v. go upward， esp. far of fast 高涨；猛增

　　stab  v. strike forcefully into with sth. pointed， esp. with a weapon to wound 刺入

　　substance  n. material； a type of matter 物质

　　technician  n. a highly skilled scientific or industrial worker； specialist in the prac

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