7.Since the clever boy realizes that he himself is keen on physics, he makes a decision to study this interesting subject well with the help of his teacher. 由 于 那个聪明的男孩意识到他自己热爱物理，他决定在老师的帮助下好好学这个有趣的学科。①since prep.从……以来；自从……之后；自从 conj.自从……以来；自从……的时候起； 既然；由于②realize vt.实现；了解③keen a.热切的;热情的;热心的 be keen on 喜爱④physics n.物理学⑤decision n.决定；果断；决议make a decision 做决定⑥subject [?s?bd?ikt] n.主题；学科；对象；主语 vt.使服从
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