Acid concentraion
[机] 酸浓度
🧩 词语组成解析
🗣️ 情景例句
Surprise parties don't always work out.
惊喜派对不是每次都成功的。
Bye! Have a good day.
再见！请慢走！
The pilot managed to circle the balloon for some time.
飞行员设法绕着气球飞了一阵。