Polynoidae
多鳞虫科
🗣️ 情景例句
To have a friend -- a pal.
想要一个朋友 一个伙伴。
A road of a thousand miles begins with one step.
千里之行始于足下。
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。