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开始学习

问题		答案
a chemical element that is a reddish-brown metal, used especially for making wire and coins 开始学习		copper
to completely satisfy yourself or a need, especially with food or pleasure, so that you could not have any more 开始学习		satiate
to chew (= crush with the teeth) food 开始学习		masticate
breath that smells unpleasant when it comes out of the mouth 开始学习		halitosis
to remove part of the surface of something by rubbing 开始学习		abrade
a large supply of something 开始学习		reservoir
to make something less pure or make it poisonous 开始学习		contaminate
the act of collecting large amounts of something and keeping it for yourself, often in a secret place 开始学习		hoarding
very dry and without enough rain for plants 开始学习		arid
the period of years between 00 and 10 in any century, usually 2000–2010 开始学习		noughties

49.