Micropicnometer
[化] 微量比重瓶
🗣️ 情景例句
so that the people of our town
好让我们镇上的人
One swallow does not make a summer.
一燕不成夏。
They were in fashion last year and the year before last.But they're not in fashion this year.
这鞋在去年和前年时兴，而今年已不流行了。