Ulcus rstundum
[医] 圆形溃疡, 胃溃疡
🧩 词语组成解析
溃疡
🗣️ 情景例句
I like the idea very much.
我很喜欢这个主意。
Light come,light go.
易得则易失；来得容易去得快。
Apparently what happened was that water collected on these tar pits, and the bigger animals like the elephants ventured out on to the apparently firm surface to drink, and were promptly bogged in the tar.
沥青坑里积存了水，大象那样的大动物冒险到似乎坚固的水面上去饮水，立即掉进了沥青坑。