Cassic acid
[医] 山扁豆酸
🧩 词语组成解析
🗣️ 情景例句
Your downstairs neighbor let me in.
楼下的邻居让我进来的。
Americans are hight mobile, and therefore may find it difficult to became deeply involued with other.
美国人的流动性，大，因此你会发现和他人深交很难。
What are their jobs?
她们是做什么工作的？