Mccrudden method
[医] 麦克鲁登氏法(检尿中钙及镁)
🧩 词语组成解析
🗣️ 情景例句
And it makes me feel good that you care about us.
你关心我们大家这使我太高兴了。
Opportunity only knocks once.
机不可失，时不再来。
an Englishman, Sir John Hawkwood, made the remarkable discovery that people would rather pay large sums of money than have their life work destroyed by gangsters.
人们情愿拿出大笔的钱，也不愿毕生的心血毁于歹徒之手。