常見例句Now you can unfasten your seat belt. 現(xiàn)在您可以解開安全帶了。Please unfasten your safety belt now. 現(xiàn)在請解開安全帶。You may now unfasten your seatbelt. 您現(xiàn)在可以解開安全帶。Is it all right to unfasten my seat belt? 沒有系安全帶可以嗎?Can you unfasten the lock catch of a box? 你能解開箱子的鎖釦嗎?To detach from what secures; unfasten. 解下：卸下從緊閉之処解開; 解開 返回 unfastener