Hyponymy dog means the collection of all dogs mammal means the collection of all mammals X is hyponym of Y the meaning of is contained in the meaning of Y

Ⅳ V The verb 1. Special link verbs y在这种情况下机器容易发热 In this case, machines get hot easily. y该皮带平压在滑轮 (pulley)上 The belt lies /presses rests/flat on the pulley y其结果证明是正确的。 Its result proves correct