A passenger in an airplane would notice a marked change in the atmosphere on passing an elevation of 11 km . 飞机中的乘客在飞过一万一千米高空时会注意到一个显著的变化。
I shall have it framed as a souvenir of these tremendous days, and as a mark of our friendly relations . 我要把它镶在镜框里，以纪念这些峥嵘岁月，同时它也是我们友谊的标志。
The abstraction of elements from soil water by plant roots can have a marked effect on chemical reaction rates . 植物根系从土壤水中摄取养分元素能对化学反应速率产生显著的影响。
"well, dear, here we are," he said in the hearty voice that strangers took as a mark of stupidity . “好了，亲爱的，咱们到了，”他用一种外人听来会认为他是个傻瓜的热切的语调说。
All that afternoon he wore a dreamy, contemplative appearance which in him was a mark of perplexity . 那天整个下午他都有着一副如痴如梦，心事重重的神色，这表明他对这一切迷惑不解。
The kisses tingled on her fingers so that she looked at them with surprise, she seemed almost to see a mark of burning . 那些亲吻灼痛了她的手指，于是她诧异地瞧着指头，好像看见了一个烙印。
Ralph's lips parted in a delighted smile and piggy, taking this smile to himself as a mark of recognition, laughed with pleasure . 拉尔夫乐得心花怒放。猪崽子却把这一笑当作是对他的赏识，笑得合不拢嘴。
A point which has been overlooked hitherto is that any build-up of interstitial fluid would produce a marked lowering of the thermal conductivity . 至今仍被忽视之点，即空隙流体的增加将使导热率明显降低。
A considerable degree of agnostioism about the supernatural has been a mark of almost all thinking people in the 20th century . 对超自然现象在相当大的程度上采取不可知论的态度是20世纪几乎所有有头脑的人的标志。
He meant not to be unkind however, and as a mark of his affection for the three girls, he left them a thousand pounds apiece, 然而他也并不想表现得不仁慈，因此，作为对那三位姑娘喜爱的一种标志，他留给她们每人一千镑。
