gōngrén / bǎ / tǔ / yā / de / hěn / mìshí / yǐmiǎn / xiàyǔ / hòu / dìmiàn / xiàchén工人把土压得很密实,以免下雨后地面下沉。The workers compacted the soil tightly to prevent the ground from sinking after rain.