Speedup
n. 加速
✅ 同义词
🗣️ 情景例句
I have just begun to learn and my serve isn't very good.
我刚刚开始学习，发球不太好。
When did you know the answer?
你什么时候知道答案？
Huifang jumped quite far, but Ann jumped farther.
惠芳跳得相当远，但是安跳得更远。