Packboard
n. (有硬框和背带的)帆布背包
🗣️ 情景例句
She's not at home.
她现在不在家。
Shh! He'll hear you.
咻，小声点，他会听到的。
The noise pollution survey revealed a rather spurring and possibly amusing old fashioned source of noise.
这个有关噪音的污染调查还揭示了一种出人意外而同时可能会引人意外而同时可能会引人发笑的老式噪音源。