Ellis' sign
[医] 艾利斯氏征(胸膜渗出液吸收时浊音曲线)
🧩 词语组成解析
🗣️ 情景例句
And what sort of job?
哪一类的工作？
To whom is the check payable, madam?
请问支票受款人是谁，夫人？
Walt invented the steam engine.
瓦特发明了蒸汽机。