单词：avidin-biotins
(avidin-biotin 的复数)
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导购口语: Why don't you buy the whole set, sir? It will be much cheaper. 先生，为什么您不买整套呢？这样会便宜许多。 Is it for yourself or for others? 是您自己穿还是替别人买？ How about ordering a tailor-made suit
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I want to fly to Geneva on or about the first. I'll just see what there is. I want to go economy, and I'd prefer the morning. Lufthansa Flight LH 203 leaves at 0920. What time do I have to be there? The coach leaves for the airport at 0815. You must
初级英语听力
avid, [ 'vid ] adj 热心的（有强烈的兴趣和热情＝eager＝appetent＝ardent＝athirst）；热望的 【例】an avid sports fan 热衷的体育爱好者 【记】avi飞，鸟－人类早就渴望飞了－热望的av一种频道，可以玩游
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By Mario Ritter Broadcast: October 28, 2003 This is Steve Ember with the VOA Special English Agriculture Report. Farmers have long put animal waste on their fields. They may also use human waste. Mode
VOA2003（下）-农业与经济
英语作文 The biggest difference between animals and human is that human can think. So we have emotions. Love,hatred and grief are emotions.I was an emotional boy since I was young.I love to watch the dark sky,the moon and the stars.They always make
英语作文
I'm going to clean the blackboard. But you can't do that. Why can't I? We haven't got a duster. Did you walk to the match? No. I went by car. Did John go by car, too? No. He cycled. Hello, and how did you spend the holiday? I played tennis till lunch
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