Pre-spark period
[化] 前火花期
🧩 词语组成解析
abbr. 炼油工程师（Petroleum Refining Engineer）
spark
[spɑrk]
n. 燃烧的颗粒;火星，火花，余火;（金属的）发光的颗粒;电火花;
vi. 发出火星，发出闪光;热烈赞同;正常运转;
vt. 发动，触发;激起运动，鼓舞;
period
['pɪrɪəd]
n. 时期;（一段）时间;学时;句号;
adj. 具有某个时代特征的;（关于）过去某一特定历史时期的;（家具、服饰、建筑等）某一时代的;
peri周围，靠近+od道路→周期
🗣️ 情景例句
They were ... they were ... they were average.
他们……他们……他们是普通身材。
If you do have the sincerity to do business with us, please show me your cards and put them on the table.
如果您确有诚意与我们做生意，请摊牌吧。
I can't find it. There are just a few loose coins at the back of the drawer.
我也找不到。在抽屉底只有一些零散的钱币。