Cinchoninic acid
[医] 辛可宁酸
🧩 词语组成解析
🗣️ 情景例句
Not a lot.
没什么重要的事啦。
The mountains have brought forth a mouse.
大山生小鼠（指：费力大而收效小）。
He says nothing about the poor selection of goods in the shops, or about those unfortunate people who have to travel from the country to the city every day to get to work.
他也不说商店货物品种单调，以及那些每天不得不从乡下赶到城里工作的不幸的人们。