Castor fiber
河狸
🧩 词语组成解析
castor
[['kɑ:stə]]
n. 调味瓶, 海狸\\n[机] 脚轮
fiber
['faibə]
n. 光纤;（织物的）质地;纤维，纤维物质;
🗣️ 情景例句
This city is just too overpopulated.
这个城市人口太过稠密。
How much is the postage for this?
这个邮费要多少钱？
When did they live there?
他们什么时候住在那儿？