🧩 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
Let's see. Oh, welcome home.
让我看看。噢， 欢迎回家来。
Hello, Tom, what's happening?
你好，汤姆，怎么啦？
You may as well tell me the truth.
你还是把事实告诉我为好。