Chronic undermining ulcer
[医] 慢性穿掘性溃疡
🧩 词语组成解析
v. 在某物下挖洞或挖通道( undermine的现在分词 ); 侵蚀…的基础; 暗中破坏; 逐渐削弱
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
How much do I owe you?
我应付你多少钱？
How did you recognize him?
你是如何认识他的？
You'd better finish the work today, and bring it tomorrow.
你最好今天完成这作业，明天把它带来。