出处:按学科分类—文体、科学、教育 外文出版社《小学生英汉汉英词典彩色版》第52页(146字)

[b′km]〈动词〉变得;成为

Even before he was ten he became very interested in science.还不到10岁的时候,他就对科学很感兴趣了。

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