1·Just keep going in a straight line ; you can't miss it.
照直走，你不会找不到那地方的。
—— 《牛津词典》
2·Arrows would continue to fly forward forever in a straight line were it not for gravity, which brings them down to earth.
要不是重力使箭掉落地上，它将会一直沿直线往前飞行。
—— 《柯林斯英汉双解大词典》
3·Then the wise man took a piece of paper and drew a straight line down the middle.
然后，智者拿出一张纸，在中间画了一条直线。
4·We walk in a straight line.
我们沿直线前进。
5·History never travels in a straight line.
历史从来都不是直线发展的。
6·She placed ten lemons in a straight line.
她把十个柠檬摆成了一条直线。
7·I really like the straight line paintbrush.
我特别喜欢直线笔刷。
8·Light typically travels in a straight line.
光通常沿直线传播。
9·When you wave your arms up and down in a straight line，it means"yes"．
当你在一条直线上下挥动手臂时，它的意思是“是的”。
10·The horse starts out in a straight line and then it hops off on a diagonal.
马从一条直线出发，然后沿着对角线跳跃。