Simon's sign
[医] 西蒙氏征(吸气时脐部收缩或固定)
🧩 词语组成解析
🗣️ 情景例句
but, unfortunately,
但是， 很不幸，
Will you speak up, please?
请你大声一点好吗？
The speedboat had struck a buoy, but it continued to move very quickly across the water.
快艇撞上了一个浮标，但它仍在水面上快速行驶着。