Yet class after class , i watched boys dressed in blue blazers and gray pants head toward girls in flowered shifts whose perfect ponytails swung back and forth like metronomes 一堂又一堂的舞蹈课,我看着那些身穿蓝色夹克衫和灰色长裤的男孩们,他们都把目标瞄向那些穿花衬衫的女孩子,这些女孩有节奏地前后甩动着漂亮的马尾。
Originally there were 365 such points , corresponding to the days of the year , but the number identified by proponents during the past 2 , 000 years has increased gradually to about 2 , 000 [ 1 ] 例如,科学家发现,当一个气功师有节奏地移动他的手的时候,距他有8英尺远的躺在检查床的一位病人会随着气功师的手的移动而同一节奏地扭动身体。
In the background , a tiny apprentice blows a big charcoal fire with a huge leather bellows worked by a string attached to his big toe - - the red of the live coals glowing , bright and then dimming rhythmically to the strokes of the bellows 铺子的后边,还有一个小不点儿的徒工在那里用一根拴在大脚趾上的绳子鼓动着一个巨大的皮风箱,煽着一大炉炭火? ?燃烧着的木炭随着风箱的鼓动而有节奏地变得忽明忽暗。
A snail exposed to the smell of pear drops and then food sucrose , which they love , for example , will respond weeks later to the smell of pear drops by rhythmically moving its mouth parts in anticipation of food , even when none is provided 例如,先让蜗牛闻一下梨汁的气味,然后再给以食物(例如蜗牛喜欢的蔗糖) ,一个星期后,当蜗牛闻到梨汁的气味后,就会有节奏地张开嘴巴来等待食物,即使是什么也不给它。