🧩 词语组成解析
mackerel
[['mækərəl]]
n. 鲭
n. 西鲱
🗣️ 情景例句
How soon will my mail be received by the other end?
我的信件多快能被对方收到？
Who do you think you are?
你以为你是谁？
Even more processes are never patented at all but kept as secret processes.
更多的工艺过程根本就不会取得专利权，而是作为秘方保存着。