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
Two hours from now.
从现在起两小时。
How old are you?
你多大了？
I have a lot of problems.
我有很多问题。