🧩 词语组成解析
n. 桡足动物
crustacean
[krʌs'teiʃjən]
n. 甲壳纲动物（如蟹、龙虾）;
adj. 甲壳纲的;
🗣️ 情景例句
Seven letters ... two words ...
七个字母……两个字……
May I borrow your pencil?
我能借你的铅笔吗？
From the shore line, out to a distance which may be anywhere from a few miles to a few hundred miles,
从海岸线向大海延伸几英里到几百英里的区域是大陆架慢坡，