Levander
[人名] 利万德
🗣️ 情景例句
Who is it?
是谁?
Following the dinner will be addresed by the candidate.
晚饭后将由候选人作演讲。
and a period (which is the time it takes a wave crest to travel one wave length).
和周期（浪峰走过一个波长所需的时间）。