Packsack
n. 背包
🗣️ 情景例句
But I have promises to keep,
但是我有约要赴
Never swap (or swop) horses while crossing the stream.
骑渡中流莫换马。（指危难时不宜做大变动）
I would suggest that you use this material instead of that.
我建议你改用这种替代那种。