U-bolts
骑马螺栓
🧩 词语组成解析
n. 螺栓；膨胀锚钉；角钢螺丝；螺钉（bolt的复数）；毛边书
🗣️ 情景例句
He's going up the ladder pretty quickly.
他真是平步青云。
To step on
踩到
Have you had a wash yet?
你洗过脸了吗？