1. The plane 's taking off. Please fasten your seat belt.
   飞机起飞了。请系好安全带。
2. Make sure that your seat belt is securely fastened.
   请确认你的安全带系牢了。
3. After the huge meal he loosened his belt and went to sleep.
   他饱餐一顿以後就松开腰带睡著了
4. Ralph tried to braid a belt from strips of leather.
   雷夫试着把一条条的皮革编织成一条皮带。
5. She wore a wide belt round her waist.
   她束了一条宽腰带.

　1个名词解释