例句:
The scientists said that about half of the coral species were new to them.
科學(xué)家們說(shuō)大概超過一半的珊瑚物種對(duì)他們來(lái)說(shuō)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。