Deliverability
供应能力, 输送能力
🗣️ 情景例句
Let me help.
我来帮忙。
I can't do it by myself.
我一个人哪做得完啊！
My pen dropped on the ground when I was walking in the park.
当我在公园里散步的时候，我的钢笔掉到地上了。