and yet children learn it so easily with minimal effort at all.而孩子们却能够轻而易举地掌握
at all完全; 根本
I assure you that you will feel no pain at all.
我保证你根本不会觉得疼的。
I don't think that's a bad idea at all.
我看这完全不是个坏主意。
how we learn to talk remains a mystery.我们如何学会讲话依旧是个未解之谜
learn to学习
I must learn to snatch at every chance to meet him.
我必须学会抓住一切机会同他见面。
A mountaineer must learn to stand the gaff.
一个登山运动员必须学会吃苦。
what makes us human and where language comes from.以及语言来自何处,我们几乎一无所知
come from来自; 起源于
We heard clink come from that room.
我们听到那个屋子传来叮当声。
He come from holland, but she come from Sweden.
他是荷兰来的,但她是瑞典来的。