单词	trigonous
释义	trigonous adjective trig·​o·​nous ˈtrigənəs : having three angles or corners : triangular in cross section Word History Etymology Latin trigonus, from Greek trigōnos
随便看	pistoleros pistoles pistolet pistolets pistoling pistolled pistolling pistology pistols piston piston displacement piston drill piston engine piston pin piston pump piston ring piston rod piston spring piston valve pistonhead pistonlike pistonphone pistons pistou pistous

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