Ballon
小学 Primary[经] 广告用气球
🗣️ 情景例句
We'll tell you the big surprise.
我来告诉你们这个大惊喜。
The lumberjack sweats as he cuts down a tree.
伐木工人边砍树边擦汗。
Mainframe computers were very large indeed, often occupying whole air-conditioned rooms,
计算机主机确实很大，常常占据了装有空调的多间房间，