Most experts agree that babyhood is the best time to learn a second language.

　　多數專(zhuān)家都認為孩童時(shí)期是接受第二語(yǔ)言的最佳時(shí)期。

　　His boyhood conditioned him to hardship.

　　他的少年時(shí)代使他習慣于逆境。

　　I thought of my father's unhappy boyhood.

　　我想到了父親不幸的童年。

　　He has been a Derby County supporter since boyhood.

　　他從孩提時(shí)代起就是德比郡隊的支持者。

　　Every nappy changed is a step away from babyhood.

　　每換一次尿片，嬰兒就脫離襁褓多一些。