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
But I suggest you complete your education first.
但是我建议你首先完成你的学业。
My friend phoned me at 10 a.m. Yesterday.
我的朋友昨天上午10点打电话给我。
Once the existence of this wave-length had been discovered,
一旦这种波长的实际存在被发现，