Bilinear
a. 双线性的
🗣️ 情景例句
How late are you open?
你们那里开到多晚？
Prosperity discovers vices and adversity virtues.
顺境显邪恶，逆境见善性。
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。