例句:
The scientists said that about half of the coral species were new to them.
科學(xué)家們說大概超過一半的珊瑚物種對(duì)他們來說都是新的。
It is called balck coral because of its balck skeleton, but its spines can be very bright colours.
被稱為黑珊瑚是因?yàn)樗谏墓羌�，但是它的脊椎卻可能是非常鮮艷的。