Simple ulcer
[医] 单纯溃疡
🧩 词语组成解析
ulcer
['ʌlsə]
n. <医>溃疡;腐烂物;道德败坏;
🗣️ 情景例句
Camping out is such great fun.
露营是件非常好玩的事。
My brain doesn't seem to be working well today.
我的头脑今天好像不太灵光。
The second factor is more interesting and more fundamental.
第二点更有意思，也更重要。