A {{c1::comet}} is an object in space made of ice and rock with a tail of glowing dust.→ {{c1::comet}}s take many decades to complete an orbit around a star.orbit /'ɔ:bit/: quỹ đạo
To {{c1::stab}} means to cut someone or something with a sharp object like a knife.→ He {{c1::stab}}bed the fork into the potato and passed it to his daughter.