新冠病毒(NCP)单词测试。 coronavirus(n) 2.close contacts 3.suspected case 4.conmfired case 5.observe(v) 6.under medical observation 7.virus outbreak 8.contain(v) 9.contain the outbreak 10.strict(adj) 11.strict isolation policy 12.carry the virus 13.superspreader 14.medical expenses 15.tight(adj) 16.supply(n/v) 17.tight supplies in large areas of China 18. human-to-human transmission 19.infection of medical worker 20.medical mask