Elli's sign
[医] 艾利斯氏征(胸膜渗出液吸收时的浊音曲线)
🧩 词语组成解析
🗣️ 情景例句
I ventured to correct the teacher's mistake.
我鼓起勇气去纠正老师的错误。
What are you going to do now?
现在你要做什么？
It's seven.
七点了。