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lucia要彳亍 回复
奶奶灰
:
7年前
"Males that are more susceptible to disease and parasites will have to use their carotenoids to boost their immune systems, whereas males that are genetically resistant will use fewer carotenoids for fighting disease and will advertise this by using the pigments for flashy display instead."
more susceptible to disease and parasites (low genetic resistance to disease) use C to boost immune systems. So not bright.
wiegand.pearline 回复
娅娅娅茹茹茹
:
7年前
星星数量并不比传统星系少
imani22 回复
娅娅娅茹茹茹
:
7年前
these galaxies have ... even the same approximate number of stars as a common type of conventional galaxy
夜雨 回复
娅娅娅茹茹茹
:
3年前
单位体积数量少，星云更广阔，星星总数一样
褚家旗charles 回复
theresia.block
:
7年前
it is difficult to collect the tortoises without a vehicle...步行容易遇到，可是没有车没法collect带走，遇到也没用
should no longer be regarded as a true colleague 因为是no longer所以说明是以后的事情符合d选项的do important new research
c选项是说从来没有做出过成果