Optimum spark advance
[机] 最适宜的火花提前
🧩 词语组成解析
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;
advance
[əd'væns]
vt. （使）前进;将…提前;预付;提出;
vi. （数量等）增加;向前推（至下一步）;上涨;
n. 增长;借款;（价格、价值的）上涨;预付款;
adj. 预先的;先行的;
ab(from)+ance(before)→前进
🗣️ 情景例句
Sure. How's 2:00?
当然，两点怎么样？
Mountain-climbing is difficult.
登山是困难的事。
She intended to dress up as a ghost and as she had made her costume the night before,
她打算装扮成鬼的模样。头天晚上她已把化装服做好，