Checkrail
n. <英>[铁]护(轮)轨
🗣️ 情景例句
I could work out in your class with no problem.
如果我去你的班上做运动， 一定不会觉得有问题。
I wouldn't, if I were you.
要是我就不会。
They can't pick up the small pieces with their fingers.
他们用手指拿不起小零件。