Pentoxide
n. [化]五氧化物
🗣️ 情景例句
When would you be fond of receiving the call?
你喜欢什么时候叫您？
At times, the smell from the gutter can be rank.
从下水沟时常冒出刺鼻的气味。
It was orange and blue.
鱼身呈橙蓝色。