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慢速英语:词汇节目:用两个科学术语来检验你的世界

Source: 恒星英语学习网    2020-08-30   English BBS   Favorite  
Words in This Story

determine – v. to come to a decision

conversation – n. an informal talk involving two people or a small group of people : the act of talking in an informal way

solution – n. something that is used or done to deal with and end a problem : something that solves a problem

acid – n. chemistry : any of various typically water-soluble and sour compounds that in solution are capable of reacting with a base to form a salt, that redden litmus, that have a pH less than 7, and that are hydrogen-containing molecules or ions able to give up a proton to a base or are substances able to accept an unshared pair of electrons from a base

base – n. chemistry : any of various typically water-soluble and bitter tasting compounds that in solution have a pH greater than 7, are capable of reacting with an acid to form a salt, and are molecules or ions able to take up a proton from an acid or are substances able to give up an unshared pair of electrons to an acid

category – n. a group of people or things that are similar in some way

date – v. to go together regularly on romantic social engagements

fit – v. to be suitable for or to :

content – n. a certain amount

valid – adj. based on truth or fact


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