Concentration difference
[建] 浓度差
🧩 词语组成解析
🗣️ 情景例句
It took years of hard work.
那需要多年辛苦工作。
Not at all.
一点儿也不。
These young people, who love the peace of mountains, always receive a warm welcome at St.Bernard's monastery.
这些热爱高山清静环境的年轻人每年都受到圣伯纳德道院的热烈欢迎。