Phenanthridinyl
菲啶基
🗣️ 情景例句
You can sit down now.
现在你可以坐下了。
He will always be a slave who knows not how to earn and save.
不懂挣钱和积财，只能永远当奴才。
We must stress that these payment terms are very important to us.
我们必须强调这些付款条件对我们很重要。