Invalidness
n. invalid的变形
🗣️ 情景例句
I'll talk to Richard about it.
我会与Richard商量商量。
How long?
多长？
It is not long before they are so accustomed to swimming that they can pick up weights from the floor of the pool.
他们很快便适应了游泳，以致能捡起池底的物品。