Treadboard
n. 踏板
🗣️ 情景例句
You really must try and take more care.
你一定要更当心一点。
The proof of the pudding is in the eating.
空谈不如实验。（实践出真知）
A team of pot-holers recently went down the Gouffre Berger.
最近，一队洞穴探险者下到了高弗。伯杰洞里。