unfastener

基本解释

• n.解开者；开启者

同根派生

英汉例句

• Now you can unfasten your seat belt.
  现在您可以解开安全带了。
• Please unfasten your safety belt now.
  现在请解开安全带。
• You may now unfasten your seatbelt.
  您现在可以解开安全带。
• Is it all right to unfasten my seat belt?
  没有系安全带可以吗?
• Can you unfasten the lock catch of a box?
  你能解开箱子的锁扣吗?