translation.en: I also worked with many different types of wood, such as maple, yew and mulberry, in the wooded area near the urban expressway that I mentioned before.
translation.zh: 我试了各种木材， 如枫树、 红豆杉和桑树， 还到市内高速公路旁边的树丛里 做了很多次射箭实验， 就是我之前提到的树丛。