21.   The organisers have already constructed a network of fine water sprays to cool the animals as they are competing.

n. + spray >>共 133
pepper 51.63%
bug 4.60%
pan 3.41%
aerosol 3.26%
water 3.12%
oil 2.08%
body 1.48%
nose 1.34%
non-stick 1.19%
sea 1.19%
water + n. >>共 642
shortage 4.19%
tank 2.72%
quality 2.36%
resource 2.30%
source 2.25%
plant 2.10%
heater 1.98%
company 1.96%
pump 1.49%
flow 1.45%
spray 0.21%
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