Perparaldehyde
[化] 过仲醛
🗣️ 情景例句
We need a stable political environment in which to develop our economy.
我们需要一个稳定政治环境来发展经济。
It's a shame this machine is so slow.
真遗憾，这台机器太慢了。
It's possible. Two months is quite a long time.
这是很有可能的。两个月是相当长的一段时间。