My rucksack seems to have gone walkabout.

我的旅行包好像是丢了。

《牛津词典》

My rucksack was too big for the luggage rack .

我的背包太大了，行李架上放不下。

youdao

Today, as I left class I felt a tug on my rucksack from behind.

今天刚下课往外走的时候，我觉得有谁在背后拽我的书包。

youdao

Took my rucksack and threw it at me and instructed me to pack my electronics.

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This time in full sunshine, he made direct eye contact as I marched by with my rucksack full of library books, wearing a blazing white cardigan over a dark denim jumpsuit and huge platforms putting me right at his eye level.

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