huǒ / chē / shǐ / guò / Huá / běi / Píng / yuán / chuāng / wài / shì / yí / wàng / wú / jì / de / nóng / tián火车驶过华北平原,窗外是一望无际的农田。As the train crossed the North China Plain, the fields outside the window stretched endlessly.