Leadtime
n. 投产准备阶段；超前时间
🗣️ 情景例句
Grandma, I bet you have a lot of stories to tell.
奶奶，我敢打赌你会说很多故事。
How thick is the ice here?
这儿的冰有多厚？
She wanted to borrow my radio.
她想要借我的收音机。