Simca
西姆卡（人名）
🗣️ 情景例句
Use a dictionary and grammar guide constantly.
经常使用字典和语法指南。
To run away from his sister
从他姐姐那儿逃走
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）。