31.   Swarms of flying insects caused fans to flee their seats early in the game.

32.   The CDC said the devices can reduce the number of flying insects when used properly but can be a health hazard when they malfunction or are installed improperly.

a. + insect >>共 286
beneficial 7.54%
flying 5.25%
tiny 4.59%
small 3.61%
social 3.11%
aquatic 2.62%
winged 1.80%
biting 1.48%
stinging 1.15%
parasitic 1.15%
flying + n. >>共 537
glass 14.23%
debris 6.17%
lesson 3.57%
back 3.52%
public 2.03%
object 1.83%
insect 1.54%
time 1.40%
stone 1.21%
school 1.16%
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