Allesandri-guaceni test
[医] 阿-瓜二氏试验(检硝酸、硝酸盐)
🧩 词语组成解析
🗣️ 情景例句
Don't talk with your mouth full.
嘴里满是东西时别说话。
People go to visit their parents, relatives and friends.
人们出门探望父母、亲威和朋友。
and whom I respect, confess at once that they have little idea where they are going when they first set pen to paper.
和尊敬的作家，都立即承认在他们动笔时，不清楚要写什么，怎么写。