Caval
[醫(yī)] 腔靜脈的
??? 情景例句
You have thirty seconds to make a word,
你們有三十秒的時間造一個字，
Teaching others teaches yourself.
教學(xué)相長。
The settlers built railways across the plains and began to hunt even more bison.
殖民者在平原上修起了鐵路，于是開始獵取更多的野牛。