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
Where did you go to school?
你在哪儿上学？
I often have breakfast in the morning.
我常常在早上吃早餐。
let alone distances of tens or hundreds of light years.
更不用说几十光年或几百光年远的地方了。