Ballondessai
n. 观测气球;试探
🗣️ 情景例句
Thanks for the advice, but this is something I have to figure out myself.
谢谢你的建议，但这件事我必须得考虑一下。
Mr. Smith is still in his fifties.
史密斯先生仍然50几岁。
It was a cold spring morning in the city of London in England.
英国伦敦，一个寒冷的春天的早晨。