Ulcerates
v. （使某物）形成溃疡( ulcerate的第三人称单数 ); （使）腐败
🗣️ 情景例句
Yes?
什么？
Marriage goes by contrasts.
夫妻之间难免有差异。
Finding planets is proving hard enough, but finding life on them will prove infinitely more difficult.
寻找行星证明相当困难，但是要在行星上发现生命会变得无比艰难。