Unbuckling
v. 解開…的搭扣( unbuckle的現在分詞 )
??? 情景例句
Hail, Hail to Michigan,
致敬， 向Michigan致敬，
A man who has friend must show himself friendly.
與朋友交，必須友好相處。
In this way, we have learned all that we know of the laws of astronomy,
例如，用這種方法，我們完全掌握了天文學的規律。