The aroma should be clean and fresh, without any of the off-odors mentioned above.
葡萄酒的香气应该是干净和新鲜的,不含以上提到的任何缺陷气味。
Now chemists have developed a technique that identifies what kind of degradation process an old book or historical document is going through, based on the odors it gives off.
现在,化学家们研发出一种技术,这种技术基于旧书或是历史文档所散发出来的气味,能够鉴别出它们所经历的不同老化过程。
I am even better off than a laboratory attendant, because there are no bad odors here, just the smell of lead burning.
我是绝对免疫的,我甚至比一个实验室工作人员的境况还好些,因为这儿没有不好的气味,只有铅燃烧的味儿。
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