?? 詞語組成解析
[醫]？
??? 情景例句
He is an orphan, so he is not sure which family name he should have.
他是個孤兒，因而不知道他自己姓什么。
If you want knowledge,you must toil for it.
若要求知識，須從勤苦得。
Can you help her?
你能幫她嗎？