Ostracoderms
(ostracoderm 的第三人称 -s形式) [古生]n.& adj.甲胄鱼(的)
🗣️ 情景例句
I gave that idea up a long time ago.
我很久以前就放弃了那个想法了。
Rome was not built in a day.
罗马并非一日可建成；坚持必成。
There has long been a superstition among mariners that porpoises will save drowning men by pushing them to the surface, or protect them from sharks by surrounding them in defensive formation.
长期以来，海员中流传着一种迷信的说法，认为海豚会把快要淹死的人托到水面，救人性命；或在人们周围列队保护，使他们免遭鲨鱼伤害。