Perparaldehyde
[化] 过仲醛
🗣️ 情景例句
OK.
好的。
Choice of the end covers choice of the means.
选择目的包含著选择手段。
Sorry! It's not a very good line. Could you speak more clearly, please?
对不起！电话线路不太好。你能说清楚一些吗？