Phosphoranyl
正膦基
🗣️ 情景例句
Unless in uniform, he doesn't look like a policeman.
除非穿上制服，要不他看起来不像警察。
One should travel out of his own country at least once.
我们至少应该离开自己的国度去旅行一次。
Hi, Sam.We're having lunch.
你好，萨姆。我们正在吃午饭，