Knowledge begins with practice.

知识于实践。

Life begins at forty.

[谚]人生于四十。

It is well established that the cardial contraction is initiated when an action potential depolarizes the sarcolemma.

已经确证，心肌收缩于动作电位使肌膜去极化。

Double weft, lole baft and chapt baft, ghazani hand spun wool, 50 to 100% vegetable dyes.

双纬纱，伽扎利手毛，50--100%蔬菜染色，健康人生，于足下。

OLD NEW YORK, CIRCA 1938.Viennese chocolatier Stephen Klein arrives in Manhattan with a suitcase full of recipes and a dream.

美国巴顿巧克力于1938年的老纽约，一位维也纳巧克力大亨满载着秘方梦想在这片新大陆创建了著名品牌-巴顿。

An evident progress has been obtained recently in the study of photomagnetic effect (PME) since it was first studied in the late sixties.

光磁效应研究于六十年代末,它是磁光效应的一种逆效应。

A water-reducible, opaque, matte-finish paint in which an albuminous or colloidal medium (as egg yolk) is employed as a vehicle instead of oil or varnish.

于巴比伦时代用蛋、铬素、胶水色素等调合而成的绘画颜料。

Powerboat racing began about the end of last century, and became truly international in 1922 with the organization of the Union for International Motorboating (UIM).

赛艇运动于上世纪末。1922年成立国际赛艇联盟，该运动成为世界性运动项目。

The recipe of Wuerzburger coarse grilled bratwurst was began in 1937.The high temperature from burning charcoal browns the sausage, making the aroma from Majoram herbs come out.

沃尔夫斯堡烧开猪肉肠调料配比于1937年，木炭燃烧产生的高温对香肠行进烤制使其略呈焦状，同时使马玉兰释放出香味。