furniture luggage clothing equipment poetry jewelry machinery weaponry scenery information knowledge homework
evidence foliage advertising health
A : 流体 air water
B: 颗粒状物体 rice salt
C: 抽象名词 information
D: 总称名词 poetry machinery
E: 疾病不可数 diabetes糖尿病 measles麻疹
F: 自然现象 rain drops
G:学科不可数 mathematics economics statistics physics politics mechanics genetics geology geography chemistry
philosophy biology history
2.常考的不规则单复数
man/men woman/women tooth/teeth foot/feet goose/geesebasis/bases analysis/analyses crisis/crises
hypothesis/hypotheses axis/axes alga/algae larva/larvae fungus/fungi stimulus/stimuli datum/data bacterium/bacteria
medium/mediaspectrum/spectra mouse/mice child/children phenomenon/phenomena radius/radii
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