Perambulating ulcer
[医] 崩蚀性溃疡
🧩 词语组成解析
v. 穿过( perambulate的现在分词 ); 走过; 徘徊于; 巡行
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
Are you married or single?
你结婚了还是单身？
No sooner said than done.
言而必行。
and in the course of a few hundred miles reaches the true ocean floor at 2,500-3,500 fathoms.
一直延伸到几百英里远深达2，500至3，500的地方，