The person doing the piercing washes his or her hands with a germicidal soap
实施穿刺人的手用杀菌肥皂清洗过
On top of tables crowded with chemicals and microscopes and germicidal black lights , an expanding array of nuclear fuel pellets , chunks of uranium and " pigs " ( lead-lined containers ) began to appear .
Even less flattering is what the germicidal properties of the earlier apoe mutation imply : that protohumans scavenged carcasses and ate putrid leftovers .