knowledge 可数吗? common knowledge （常识）可数吗? 造2个句,谢谢.

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knowledge 可数吗? common knowledge （常识）可数吗? 造2个句,谢谢.
knowledge 可数吗? common knowledge （常识）可数吗? 造2个句,谢谢.

knowledge 可数吗? common knowledge （常识）可数吗? 造2个句,谢谢.
有这样的用法：a good knowledge of 意为：通晓,对、、很了解,
常与 have/acquire/obtain/develop 等动词搭配
但是knowledge它本身是不可数的
common knowledge同样不可数
This is common knowledge,but a lot of people tend to ignore it.
It is common knowledge that fish can't live without water.

knowledge可数吗 knowledge可数吗? common knowledge可数吗 knowledge是可数名词吗? knowledge是可数名词吗? commo. knowledge 可数吗? common knowledge （常识）可数吗? 造2个句,谢谢. knowledge到底可不可数? knowledge不可数还是可数 knowledge可不可数? knowledge 是可数还是不可数, web site 还有 knowledge 可不可数?~ many knowledge knowledge要用复数吗 In science fiction we read of flying saucers travel through ( )space,so people want to have ( )better knowledge of the universeA the ,a B /,/ C the ,/D /,a,space前面不能加the的吗,knowledge是可数的吗 knowledge a wide range of knowledge =a wide knowledge吗 请问knowledge这个词什么时候作可数名词,什么时候作不可数名词? knowledge 可以用复数吗?