Groundstrokes
(groundstroke 的复数) 落地球（球落地弹起之后的一击）
🗣️ 情景例句
Oh, I'm sorry.
噢，对不起。
Work today, for you know not how much you may be hindered tomorrow.
今天有事今天做，明天可能事受阻。
Letters will cost a little more, but they will certainly travel faster.
这样会稍微多花点钱，但肯定是快得多了。