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
We have several package tours you may choose, from ten days to three weeks in Europe.
我们有几套欧洲旅游计划选择，时间从10天到3个星期。
Never too late to repent.
过则勿惮改。
What you said was quite true.
你所说的完全符合事实。