Pentapropyl
五丙基
🗣️ 情景例句
I'm dieting to keep my figure.
我正在节食以保证身材。
Who is the greatest playwrighter of our times?
谁是当代最伟大的剧作家？
One moring she was working at her desk in the library when a boy came in.
一天早上，她正在图书馆里伏案工作，这时，一个男孩走进来。