Unfolder
n. 推注器；展开装置
🗣️ 情景例句
He's going up the ladder pretty quickly.
他真是平步青云。
Any personal hobbies such as sports, music and collecting stamps never had a place in his life.
任何一种个人的业余爱好，如体育活动，音乐，集邮等等在他的生活中从未有过地位。
All the Indins over the age of 8 had to carry their permits at all times.
所有8岁以上的印度人无论什么时候都得携带许可证。