because they are

意思翻译 因为他们是 相似词语短语 enzymes are important because they───酶很重要，因为它们 they are they───他们是他们 because they can───因为他们可以 are they───是吗 who they they are───他们是谁 because───prep.因为某人（某事物）；conj.因为，由于 are they ok───他们没事吧 they are green───它们是绿色的 are they...