对不起，我不该说那么难听的话。I'm sorry. That was a hateful thing to say.对不起，我不知道自己是怎么回事。I'm sorry, I don't know what came over me.我失礼了，真对不起。I was impolite and I do beg your pardon....
It was feared they could break the Allies' codes.恐怕他们会破译盟军的密码。A generation ago genetic codes were certainly unknown.遗传密码在上一代确实很少有人知道.There are many ancient codes and records in the library of our institute.在我院图书馆里藏有...