Maccallum's stain
[医] 麦卡勒姆氏染剂(染组织中流感杆菌与革兰氏阳性菌)
🧩 词语组成解析
🗣️ 情景例句
Come in please, and take a seat.
请进。请坐。
Come on now-buck up-face the music-nose to the grindstone.
快振作起来，面对现实，埋头苦干。
'This is the prettiest carpet I have ever seen,' she said.
“这是我见过的最漂亮的地毯，”她说。