当它收缩的时候，这些肌肉向外泵出大约2盎司(59毫升)的血液，而且在人的一生中它不断地工作。
When it contracts, the muscle pumps about 2 ounces (59 milliliters) of blood, and is constantly working over a lifetime.
巴西现在1年生产180亿升的乙醇，而其出口的乙醇只有40亿，只不过是全世界出口量的一半多一点。
Brazil currently produces 18 billion litres of ethanol a year of which it exports 4 billion litres, just over half of worldwide exports.
有一位名叫米勒的人带了一头母牛到道森，他将不到四公升的牛奶以三十美元的价格卖出，此后，他的一生被人称之为“母牛米勒”。
He sold the milk for thirty dollars for a little less than four liters. For the rest of his life he was known as "Cow Miller."
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