Gaining
n. 增进单向开槽；单向开槽
🗣️ 情景例句
Dad and I were planning to go to the game,
爸爸本来要和我一起去，
It is wisdom sometimes to seem a fool.
大智若愚。
He marked all the bees that came to the nearby feeding place blue, and all the bees that went to the faraway place were marked red.
他把所有飞来近处喂食点的蜜蜂标上蓝色，飞往远处喂食点的蜜蜂标上红色。