Aerostats
n. 航空器；高空气球
🗣️ 情景例句
have been busy at work this morning
一早上都在忙着
Eat at pleasure, drink with measure.
随意吃饭，适度饮酒。
Please make sure you mark the shipment for careful handling.
请不要忘了在货物上标明“小心搬运”。