Hematine
[化] 苏木精; 苏木紫
🗣️ 情景例句
They have to be here.
它们肯定就在这儿。
How is her accent in French?
她的法语口音怎么样？
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）。