Molecular concentration
[化] 分子浓度
🧩 词语组成解析
🗣️ 情景例句
about your salaries and your savings.
关于薪资和储蓄。
Without practice, hopes will be reduced to zero.
没有实践，希望会化为乌有。
However, there are undoubtedly some wrong ways,
然而，却毫无疑问地有几种错误的方法。