詞組搭配

Fastening and unfastening上；卸扣

unfastening device解脫裝置

雙語例句

1.He unfastened the buckles and took off the coat.

漢他解開扣子，把上衣脫掉。

2.You may unfasten your seat belt now.

漢現(xiàn)在可以松開您的安全帶了。

英英釋義

1. loosening the ties that fasten something;

"the tying of bow ties is an art; the untying is easy"