Pre-tensioner
预紧器
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
n. 拉紧器, 张紧装置；皮带张力器
🗣️ 情景例句
It's too crowded in the bus. I think I'll have to get off to walk the rest of the way home.
车上太挤了，我想剩下的路我必需下车走路回家。
Bye! Have a good day.
再见！请慢走！
Oh, yes, it is.
哦，对，是我的杯子。