Packboard
n. (有硬框和背带的)帆布背包
🗣️ 情景例句
He is interested in collecting foreign stamps.
他对收集外国邮票有兴趣。
You're very cheerful today.
你今天很快活。
This made the driver following her brake hard.
她这一停使得跟在后头的司机也来个急刹车。