🧩 词语组成解析
common
['kɑmən]
adj. 普通的;通俗的;[数学]公共的;共有的;
n. [法律]（对土地、水域的）共有权;公共用地;普通;平民;
lettuce
['letis]
n. 莴苣，生菜;<俚>纸币;
🗣️ 情景例句
Come on in, everybody.
大家请进来。
Won't you come in, please?
请进来好吗？
You see, the school will be expensive to run and we shall need a lot of good teachers.
你知道，办这所学校要花很多的钱，我们需要很多好教师。