méi / yǒu / yǐ / zi / shí / wǒ / men / kě / yǐ / bǎ / mù / xiāng / chōng / zuò / lín / shí / zuò / wèi没有椅子时,我们可以把木箱充作临时座位。When there are no chairs, we can use wooden crates as temporary seats.