A cat whose rear PAWS were chopped off by a combine harvester has undergone a radical surgical procedure that fitted the animal with a pair of new artificial feet.
一只可怜的猫被收割机给切断了后腿，现在采用新的外科手术给它安装上了新的假肢。
2
Excited triplet diene is formed via back electron transfer between radical ion pair within a solvent cage.