(X) After studying several years on his own he acquired a great deal of knowledges. knowledge屬不可數名詞,很少用複數形,但可和a連用,後接of。 ... <看更多>
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(X) After studying several years on his own he acquired a great deal of knowledges. knowledge屬不可數名詞,很少用複數形,但可和a連用,後接of。 ... <看更多>