Picolinium
[化] 甲基吡啶┹; 皮考啉┹
🗣️ 情景例句
With some of our stuff?
与我们的东西有关？
We have a vision of the future.
我们对未来有一番憧憬。
In the evenings he studied hard for his exams, and most mornings he took tourists around Oxford.
他晚间努力学习，以应付考试，而大多数早上，他则带领游客在牛津大学参观。