李和他的10个同学成立了一个志愿者小组,呼吁人们加入“光盘行动”。
Li, together with his 10 classmates made a volunteer group to call on people to join in The "Clean Your Plate Campaign".
他从2006年就开始带领他的志愿者小组,直到上周退役了。
Retiring last week, he had led its volunteer team since 2006.
历二十余载,彼君合成之化合物达数百种之多,皆为其本人及其一志愿者小组所首先亲尝。
Over a couple of decades he synthesised hundreds of chemicals, all of which he tried first on himself and a small group of volunteers.
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