您要查找的是不是：
- Your invention is not practical. 你的发明不实用。
- He got a patent for this invention. 他获得了这项发明的专利权。
- She is working at a new invention. 她正从事一项新发明。
- The telephone is a wonderful invention. 电话是一项了不起的发明。
- All this changed with the invention of the railway. 随着铁路的发明这一切都改变了。
- That rumor was the old gossip's own invention. 那个谣言是那个爱说闲话的老家伙自己编出来的。
- Surprise is an essential component of my plan. 我这项计划主要就是想使大家惊喜一下。
- The new invention has dispensed with much labour. 这一新发明节省了大量劳动力。
- The scientist patented her invention. 这位科学家得到她的发明的专利权。
- Necessity is the mother of invention. 需要是发明之母。
- We must invent an excuse for being late. 我们必须编一个迟到的藉口。
- The machine was his own invention. 这台机器是他自己发明的。
- Brimstone is a component part of explosive. 硫磺是炸药的一种组成成分。
- It is a new invention with a big sales potentiality. 它是一个有畅销潜力的新发明。
- We must invent an excuse for our absence. 我们必须为缺席编造一个藉口。
- Stephen carried the world before him with his new invention. 斯蒂芬克服重重困难，作出了一项新的发明。
- Your invention is very practical. 你的发明物很实用。
- The invention of the computer marked the beginning of a new era. 计算机的发明标志着一个新时代的开始。
- I'm afraid he is guilty of a good deal of invention. 我看他撒了很多谎。
- Air force is an important component of national defense. 空军是国防的重要组成部分。
