水土保持

soil conservation

surname Shui

water / river / liquid / beverage / additional charges or income / (of clothes) classifier for number of washes

water and soil / surface water / natural environment (extended meaning) / climate

Tu (ethnic group) / surname Tu

earth / dust / clay / local / indigenous / crude opium / unsophisticated / one of the eight categories of ancient musical instruments 八音[ba1 yin1]

Bulgaria / Bulgarian / abbr. for 保加利亞|保加利亚[Bao3 jia1 li4 ya4]

to defend; to protect; to keep / to guarantee; to ensure / civil administration unit in the baojia 保甲[bao3 jia3] system (old)

to keep / to maintain / to hold / to preserve

to hold / to grasp / to support / to maintain / to persevere / to manage / to run (i.e. administer) / to control