Jackladder
n. 木踏板绳梯, 跳板
🗣️ 情景例句
He appeared ill at ease at the party.
他在宴会上显得很拘谨。
Is the job position sitll open?
那个工作位置还接受申请吗？
becomes so worn and unreliable that it eventually is not worth mending.
磨损太厉害，老得一点儿也不准了，最终会不值得修理了。