She went off on some errand.她办事去了。He sent me on a fool's errand .他派我去干白费力的事。Unable to get about, she sent Joy on one errand after another.她自己动不了窝,便派小福子一趟八趟的去买东西....
Tampering with a single enzyme can lead to untoward effects elsewhere.破坏一种酶可能会导致在别处出现异常。This enzyme would make the filtration of beer easier.这种酶会使啤酒更容易过滤。This change is considered to be due to denaturation of the enzyme....
报纸已变成土黄色了。The paper has turned a muddy colour.油漆干了后，涂一层发红的土黄色乳胶漆。Once the paint is dry, apply a coat of the red ochre emulsion paint.“ 你可以帮着拿那个蓝背包, 我拿那个土黄色的和三脚架. ”" You can carry that blue knapsack. I'll take the ta...