Polymethine
聚甲炔; 聚甲炔
🗣️ 情景例句
What kind of exercises do you like to do?
你喜欢什么锻炼方式？
A man of words and not of deeds is like a garden full of weeds.
一个只说不做人就像一个长满野草的花园。
As a shipbuilder, Cockerell was trying to find a solution to the problem of the wave resistance which wastes a good deal of a surface ship's power and limits its speed.
作为一个船舶技帅，科克雷尔在寻找解决波浪阻力的方法，因为波浪阻力浪费掉了船在水面行驶的大量动力，从而限制了船的速度。