Cancrum
[拉](坏疽性)溃疡
🗣️ 情景例句
Your pressure is 120 over 75, and that's fine.
你的收缩压是120， 舒张压 75。
Would you mind closing the window for me?
能帮我关一下窗户吗？（你介意关下窗户吗？）
He opened it and saw the man from downstairs.
他打开门，看见楼下人。