Danforth's sign
[医] 丹福思氏征(子宫外孕破裂时吸气时肩痛)
🧩 词语组成解析
🗣️ 情景例句
He has the advantage of a good education.
他有受过良好教育的优势。
Do you like sport?
你喜欢运动？
Do you know what time the film begins?
你知道电影何时开始？