Tertial
a. 第三列的(指鳥飛羽中最后一列的)
??? 情景例句
so I wouldn't lose them.
免得我弄丟了。
He tells me is a city boy, and this is his first time to live in a camp like this.
他說他是一個都市男孩，這是他第一次過這種野營生活。
Good, we've been looking for them.
好啊 ，我們一直等著看呢。