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
I need a haircur, what would you recommend?
我要剪个发，你有什么好建议？
In college I majored in math, What was your major?
大学时我主修数学，你主修什么呢？
It must have been about two in the morning when I returned home.
我回到家时，肯定已是凌晨两点左右了。