Treadboard
n. 踏板
🗣️ 情景例句
Cash only, no checks.
只收现金，不收支票。
I want to purchase some computers from your company.
我想从贵公司购买一些电脑。
From both maturity to death, a wave is subject to the same laws as any other'living'thing.
从成熟到消亡，波浪和其他任何活动中"的东西一样，都受制于共同的法则。