尾蚴
tailed larva; Cercaria (microscopic larva of parasitic Miracidium flatworm)
惟有
variant of 唯有[wei2 you3]
未有
is not; has never been; never occurring; unprecedented
有为有守
able to act while maintaining one's integrity (idiom); also written 有守有為|有守有为[you3 shou3 you3 wei2]
示威游行
(protest) demonstration