🧩 词语组成解析
[医]马鲛
sierra
[[si'erə]]
n. 呈齿状起伏的山脉
🗣️ 情景例句
Yeah, and I have to finish this report by four.
是，我在四点之前得完成这个报告。
What I have done is due to patient thought.
我的成就是由于坚忍地思索。
Excuse me. Is there a station near here?
请问，附近有车站吗？