I hear the sweet, though far - off hymn that hails a new creation.我听见从远方传来悦耳的赞美诗歌, 称颂伟大的诞生.For that reason he refuses to say which clan he hails from.也正是因为这样,他不愿意说起自己来自哪个族群.Abramovich joins in the celebrations and hails ...
A species of cockroach sprays a substance , ethylacrolein, that is a kind of tear gas.某种蟑螂喷射一种催泪性毒气――乙 基丙烯 醛.It enables scientists to transfer genes between different species that would not interbreed in nature.它使科学家之间的转...