There are three sizes—small, medium and large.
有三种尺寸——小号、中号和大号。
英语解释：in the middle between two sizes, amounts, lengths, temperatures, etc. 中等的；中号的
注：一词多义，单词一次只记一种意思即可。
,
There are three sizes—small, medium and large.
有三种尺寸——小号、中号和大号。
英语解释：in the middle between two sizes, amounts, lengths, temperatures, etc. 中等的；中号的
注：一词多义，单词一次只记一种意思即可。
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