英语语法分析

In one second, a cell performs about 10 million energy-consuming chemical reactions, which altogether require about one picowatt (one millionth millionth of a watt) of power.

一秒钟内，一个细胞要执行约一千万次耗能化学反应，而统共仅需要约1皮瓦(百万百万分之一瓦)能量。