He was bright, eager, and in excellent spirits, a mood which in his case alternated with fits of the blackest depression.

他精神勃勃，非常兴奋，足见他在这最难解的问题当中已经发现了曙光。

About half of American infants during the 20th century had their bottoms dusted with Johnson's baby powder because it was that popular.

20世纪期间，约半数美国婴儿都曾用强婴儿爽身粉扑撒小屁股，足见其受欢迎程度。

Professor Binns had been very old indeed when he had fallen asleep in front of the staff room fire and got up next morning to teach, leaving his body behind him.

想当年宾教授在教员休息室的壁炉前睡着了，第二天课时竟忘记带自己的身体，足见宾教授确实已经很老了。