fetuses例句
DNA was extracted from
fetuses at mid - gestation, about 10 days past conception.
DNA从受孕大约10天后的 中期 妊娠胚胎中提取.
Brucellosis is a disease that causes
fetuses to abort in cattle.
普鲁士菌病是一种可以导致牲畜胎儿夭折的疾病.
B . Fraternal Twins
Fetuses may be of different sex.
异卵双胞胎可能性别不同.