Preliminary roller
[化] 前辊
🧩 词语组成解析
preliminary
[prɪ'lɪmɪnɛri]
adj. 初步的，初级的;预备的;开端的;序言的;
n. 准备工作;预赛;初步措施;（对学生等的）预考;
pre预先+limin门槛，限制+ary形容词后缀→入门以前→初步的
🗣️ 情景例句
Well, that is news.
噢， 这可是个新闻。
If you hadn't slipped and fallen,you wouldn't have broken your leg.
如果你没滑倒,你就不会断腿了。
Before they were replaced by steamships,
在蒸汽船取代帆船之前。