中英释义：
双语例句
他礼貌地向老师问好。
He greeted the teacher politely.
他有礼貌地向老师问好。
He greeted the teacher politely.
他走进教室，向老师问好。
He walked into the classroom to say hello to the teacher.
重点词汇
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老师
teacher; sir; instructor; tutor; mentor; educator; master
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问好
say hello; greet; extend greetings to; inquire after; send one's regards