helpful inventions and annoying inventions

make a list of five helpful inventions and five annoying inv annoying invention和the most helpful inventions的翻译 用英语说几个annoying inventions. 英语作文:Computers--one of the most helpful inventions 请以Computers-one of the most helpful inventions为题写一篇英语小短文 要求： 英语翻译Inventions,discoveries,and scientific knowledge by thems Great People and Great Inventions of Ancient China怎么翻译? read the passage and circle the inventions on the right Have you any inventions? Employee Inventions是什么意思? 英语作文：Inventions inventions什么意思?