Tollen's aldehydes test
[建] 托醛试验
🧩 词语组成解析
[医]醛
🗣️ 情景例句
Hi.
嗨，
John has his own family now.
约翰现在有自己的家了。
I read a few lines, but I did not understand a word.
我读了几行，但一个字也不懂。