Pentynoic acid
[化] 戊炔酸
🧩 词语组成解析
🗣️ 情景例句
to transform it into a new community center.
将它转变成一个新的社区中心。
Before you decide, have a good taste of Marie's cake.
没吃之前先别作决定，且先尝尝玛丽可口的蛋糕。
On this occasion, however, it had slowed down considerably.
然而这一次它的速度慢多了。