He used to be a dunce at school.他上学时曾是个笨学生.Michael may have been a dunce at mathematics, but he was gifted at languages.迈克尔在数学上可能不太灵光，但在语言方面很有天赋。I was a dunce at chemistry.我在化学方面是个劣等生....
这些树的系谱可以追溯到数千年前.These trees have pedigrees stretching back thousands of years.今天的冠军确实展现了其纯种系谱.The champions really showed their pedigree today.这些系谱的掺入是更为离奇和无理的.The insertion of these genealogies is the more peculiar and ...
Don't worry. We'll have you out of here double-quick.别担心，我们会很快把你从这儿弄出去的。This delicious variation on an omelette is quick and easy to prepare.这种稍加变化的可口煎蛋卷做起来又快又容易。I looked at what he'd given me and did a qu...