4周搞定2000+托福核心词
amenity = am(爱) + en(使) + ity(名词) = 使喜欢->舒适，愉快
en = en(使) = 变黑
扩大
broaden
常考释义
These are very popular with the public but of course we mustn't lose sight of the main purpose of having this section, not as such to preserve rare animals but (Q18)to maintain the diversity of breeds to broaden the gene pool for agricultural development.
虽然公众很喜欢这些，但是我们也不能忘记我们保留这个部分的目的：不是为了保护稀有动物而是为了保持品种的多样性以丰富基因库，进而促进农业的发展。
来源于：剑雅8-Test2vt. 拓宽；扩大；使宽阔
We must broaden our appeal.
我们必须吸引更多人。
I thought you wanted to broaden your horizons.
我原以为你想要开阔视野。
We'll broaden the discussion out in a minute.
我们很快将扩大讨论范围。
vi. 变宽；扩大；变灿烂
As we drove towards Chamdo, the river broadened.
我们驶近昌都时，河面越来越宽。
The smile broadened to a grin.
笑容变得更加灿烂，嘴巴也咧开了。
The political spectrum has broadened.
政治范围扩大了。
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