Optimising
(optimise 的现在分词) vt. 使最优化, 使尽可能有效
🗣️ 情景例句
She was sick so the didn't attend her classes.
她生病了，所以没上学。
Do we have to wear the helmets?
我们得戴上防护帽吗？
This is only the first half.
这才是上半场呢。