您要查找的是不是：
- empty status packet 空状态组
- The difficulty associated with doing FIFO design is related to generating the FIFO pointers and finding a reliable way to determine full and empty status on the FIFO. 关于判断满和空的方法（核心思想就是要判断在写指针和读指针相等的时候到底是写操作“追”上读操作还是相反）
- Empty cigarette packet litter the floor. 地板上丢满了空烟盒。
- He asked for a donation but went away empty handed. 他请求人们捐款，但离开时却一无所获！
- An empty stomach is not a good political adviser. 空肚子不是政治上的好顾问。
- The baker empty several bags of flour into a bin. 面包师把几袋面粉倒入贮藏箱里。
- Don't always indulge in empty talk. 别总是纸上谈兵。
- His footsteps echoed (in the empty hall). 他的脚步声(在空荡荡的大堂里)产生了回声。
- I had to empty out the drawer to find the papers. 我不得不倒出抽屉的东西以找出那些文件。
- These words are empty of meaning. 这些话毫无意义。
- The consulate was upgraded to embassy status. 该领事馆已升格为大使馆。
- The old empty house soon went to rack and ruin. 这所旧的空房子很快就毁坏了。
- He is a person of important social status. 他是一个有重要社会地位的人。
- Don't build on his empty promises. 不要指靠他的空洞诺言。
- He has an empty purse, but a free heart. 他身上没有钱，但心里无忧无虑。
- Look, there are two empty seats over there. 瞧，那儿有两个空位置。
- You don't really care a fig about status. 你对地位真是一点儿也不在乎。
- The empty house has fallen into decay. 那座空房已成一片颓垣。
- It's not good to drink on an empty stomach. 空腹喝酒不好。
- The seat on my right side is empty. 我右首的座位无人坐。
