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
Nurse Baker, would you come in, please?
Baker护士 请你过来一下，好吗？
A thing is bigger for being shared.
插手人一多，事态就扩大。
Even if a piped water supply is safe at its source,
既使管道供水系统在水源处是安全的，