Polytomy
分成三分以上, 分成三分以上的状态
🗣️ 情景例句
Your first great-grandchild.
你的第一个曾孙。
How much does a round trip ticket to go there cost?
一张去那边的往返票要多少钱？
Then it turned in a semicircle, ran straight again, and turned in another semicircle to the opposite side.
然后转一个半圈，再沿直线飞，再朝反方向转个半圈。