Acing
vt. 发球得分（ace的现在分词形式）
🗣️ 情景例句
I am sorry. I am not free right now.
对不起，我现在很忙。
All produets have to go through five checks in the whole process.
所有产品在整个生产过程中得通过五道质量检查关。
The Ambassador's wife went on asking questions, when she suddenly noticed a big hole in her husband's hat.
大使夫人继续提出问题，她突然又发现丈夫的帽子上有个洞。