Ulcerates
v. （使某物）形成溃疡( ulcerate的第三人称单数 ); （使）腐败
🗣️ 情景例句
No,
记不起来了。
Never swap (or swop) horses while crossing the stream.
骑渡中流莫换马。（指危难时不宜做大变动）
It was very old and precious even then.
却使在当时，它也属历史悠久的珍奇之物。