Airfall
n. (火山)尘埃沉降
🗣️ 情景例句
Earth day should be every day.
每一天都应该是地球日。
This is an identification card.
这是一张身份证。
In the pioneering days, however, this was not the case at all.
然而，在登山运动的初期，全然不是这种情况。