Jacketts
[人名] 杰基茨
🗣️ 情景例句
He graduated from medical school in 1960
他在一九六零年从医学院毕业，
Please look at the data of this first chart.
请看第一幅图表的数据。
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）。