Phenanthryl
菲基
🗣️ 情景例句
Canada has the most beautiful waterfalls in the world.
加拿大有世界上最壮观的瀑布。
What kind of quality control do you have?
你们用什么办法来控制质量呢？
OK. I'll bring it to school in the morning.
没问题。明早我带到学校。