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
There are three things that have to be done first, Harry.
首先我们必须做三件事， Harry。
If he had only had enough money,he would have bought that house.
如果他仅仅有了足够的钱，他就会买那房子。
Well, have you considered using the lab in your free class? I suggest you ask Mr. Wu.
噢，你是否考虑过在自习课上利用这个实验室？我建议你问问吴先生。