Phosphinylidene
氧亚膦基
🗣️ 情景例句
Lillian and I were married two weeks ago in Detroit. Lillian
和我已经在两周前在Detroit结婚了。
Keep your mouth shut and your eyes open.
要多看少说。
It was very old and precious even then.
却使在当时，它也属历史悠久的珍奇之物。