Y. s.
[医] 黄斑(视网膜)
🧩 词语组成解析
基督教青年会
🗣️ 情景例句
Please excuse me. I'm very sorry.
请原谅我， 我真的很不好意思。
Sometimes the snow was so deep we could tunnel through it.
偶尔雪会积到可以造隧道那般的深度。
Fine, thank you.
我很好。谢谢。