Perseulose
鳄梨酮糖, 半乳庚酮糖
🗣️ 情景例句
That sounds exciting.
听起来怪热闹的。
What do economists say about the present crisis?
经济学家们对于现在的危机做何说法？
Which may keep company with the vessel for an hour without visible or more than occasional movement of wing.
它们随船飞行一小时也难得见其扇动一下翅膀。