She is about thirty years old.
她大约三十岁。
I judged her to be about thirty years old.
我认为她大约三十岁。
He is a very good teacher and about thirty years old.
他是一个非常好的老师，大约三十岁。
Miss Lee is my English teacher. She is about thirty years old.
李老师是我的英语老师，大约三十岁。
He is about thirty-five years old, he is tall and strong.
他大约三十五岁，他又高又壮。
He is about thirty-five years old, he is tall and strong.
他大约三十五岁，他又高又壮。
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