rectilinear
adj
1 in or forming a straight line 直线的; 形成直线的
rectilinear motion 直线运动.
2 bounded by or having straight lines 用直线围著的; 有直线的
a rectilinear figure 直线图形.
🗣️ 情景例句
Oh, here it is.
哦 在这里 。
I have to hang up now.
我得挂电话了。
He wrote books about communism. He said that all communists should help each other.