Bischler-napieralski synthesis
[化] 比西勒-纳皮拉尔斯基合成法
🧩 词语组成解析
🗣️ 情景例句
and we probably won't be able to
而我们也许也一样不能
How long will ti take you to finish the work?
你要花多长时间才能完成那项工作？
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，