Widal's reaction
[医] 肥达氏反应, 伤寒凝集反应(检伤寒)
🧩 词语组成解析
🗣️ 情景例句
and how hard it is
他还说这件事很难
Just what I thought.
果然不出我所料。
'I told you yesterday and the day before yesterday,' he shouted,
“我昨天和前天都告诉过您了，”他大叫着，