🧩 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;
mackerel
[['mækərəl]]
n. 鲭
🗣️ 情景例句
What else?
还有什么？
A smooth sea never made a skillful mariner.
平静的海洋练不出熟练的水手。
A burst of activity associated with the laying of submarine cables soon confirmed the Challenger's observation that many parts of the ocean were two to three miles deep,
海洋中很多地方可深达两三英里，