Molecular concentration
[化] 分子浓度
🧩 词语组成解析
🗣️ 情景例句
Thank you.
谢谢你。
We know not what is good until we have lost it.
有的时候不爱惜，失了以后空叹息。
Every solid object will reflect a sound, varying according to the size and nature of the object.
任何固体者反射声音，反射的声音因物体的大小和性质的不同而不同。