Optimising
(optimise 的现在分词) vt. 使最优化, 使尽可能有效
🗣️ 情景例句
Do you hike or fish on your trips?
旅游时，你会步行或钓鱼吗？
A friend is a second self.
朋友是另一个我。
I have a headache, and she has a stomachache.
我头疼，她胃疼。