1 [U] how big or small sth is 大小；尺寸: I was surprised at the size of the hotel. It was enormous! 那家酒店大得令我吃惊。实在太大了！The planet Uranus is about four times the size of (= as big as) Earth. 天王星的体积是地球的四倍左右。 ☞When we ask about the size of something, we usually say, ‘How big...? ’ How big is your house? We say, ‘What size...?’ when we ask about the size of something that is produced in a number of fixed measurements What size shoes do you take ? What size are you? (= when buying clothes) 问对象有多大通常说How big...?：How big is your house?你的房子有多大？询问有关固定的尺码就说What size...?：What size shoes do you take?你穿什么尺码的鞋子？买衣服时会问：What size are you?你穿多大尺码的？

2 [C] one of a number of fixed measurements in which sth is made （固定的）尺码，尺寸: Have you got this dress in a bigger size? 这款连衣裙有大一点的尺码吗？I'm a size 12. 我穿12号。What size pizza would you like? Medium or large? 你要多大的意大利馅饼？中号还是大号的？

3 -sized(also -size) (used to form compound adjectives 用于构成复合形容词) of the size mentioned …大小或尺码的: a medium-sized flat 中等大小的公寓a king-size bed 特大号床