解开…的搭扣( unbuckle的过去式和过去分词 );
He unbuckled his seat belt.
他解开了坐椅安全带。
Standing up, he unbuckled his belt, and spread it laden across his waist.
他站了起来, 解开腰带, 带子的一头垂到腰部以下.
She bent over and unbuckled her sandals.
她弯下腰解开了凉鞋搭扣。
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