I-d
[医][=intensity-duration curve]强度-期间曲线
🗣️ 情景例句
Thank you, Grandpa.
谢谢你， 爷爷。
A candle lights others and consumes itself.
蜡烛焚自身，光亮照别人。
Litter baskets have been placed under the trees, but people still throw their rubbish everywhere.
树下都已设置了废物筐，但是人们仍到处扔垃圾。