?? 詞語組成解析
n. 紫荊, 美國紫荊
??? 情景例句
You have a good command of English.
你的英語水平很好。
He ran like hell.
他拼命跑。
In this way self-confidence grows, first from mastering a subject, then from being able to take about it.
這樣，你自信心不斷增強，先是因為掌握一門學問，接下來是因為能夠就此發表見解。