含沙量

sand content / quantity of sediment (carried by a river)

to keep / to contain / to suck (keep in your mouth without chewing)

granule / hoarse / raspy / sand / powder / CL:粒[li4] / abbr. for Tsar or Tsarist Russia

to measure

capacity / quantity / amount / to estimate / abbr. for 量詞|量词[liang4 ci2], classifier (in Chinese grammar) / measure word