4、猜测是科学发现的前奏,你们已经迈出了精彩的一步! Speculation is a Plude to scientific discovery, you have taken a great step! 5、在好上司手下做能臣,在坏上司手下做奸臣。 Doing good bosses can explain the treacherou
science and technology can to some extent help we human beings defeat some terrible disasters and get rid of the diseases,what's more,they can assist us in exploring the unkown oustside space by carrying u