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
He is,
没有错。
A single spark can start a prairie fire.
星星之火，可以燎原。
tell me that they have been expecting a splendid crop this year and harvesting has begun earlier than usual.
告诉我，他们一直期待着今年获得一个大丰收，收割工作比往年开始要早些。