Gaining
n. 增进单向开槽；单向开槽
🗣️ 情景例句
If you don't know a person's last name, use 'ma'am' or 'sir'.
如果你不知道一人的姓， 你应称呼他为 'ma'am' 或 'sir' 。
He who stands alone has no power.
孤掌难鸣。
The next morning the whole family trooped in to watch the performance.
第二天早晨全家人结队来到起居室看我表演。