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
There are four of us including my parents, a younger sister and me.
有四口人，父母亲、妹妹和我。
She refuses to make up her mind.
她拒绝下决心。
The ideal to be aimed at was to devise an instrument that could record with a pen on paper,
当地震发生时，它能用笔在纸上记录下