?? 詞語組成解析
common
['kɑm?n]
adj. 普通的;通俗的;[數學]公共的;共有的;
n. [法律]（對土地、水域的）共有權;公共用地;普通;平民;
raccoon
[r?'ku:n]
n. 浣熊;浣熊毛皮;
??? 情景例句
Hello, Harry. It's nice to meet you.
你好 Harry 很高興見到 。
OK.
行。
and because there is so much of it the function would seem to e important.
睡眠占去那么多時間，所以其作用似乎還是很重要。