Trelat sign
[医] 特雷拉氏征(口部结核性溃疡的黄点)
🧩 词语组成解析
🗣️ 情景例句
She flunked her English examination.
她的英语考试失败了。
What do you do for relaxation?
你做什么消遣？
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。