常見例句雙語例句They said that the international trade in semen and embryos from cloned animals created in north and south America and beyond was effectively impossible to police.理事會說,在北美,南美以及其他一些地方生產的克隆動物胚胎和精子,其在國際范圍內的交易已經無法加以有效監(jiān)管。Interviews revealed that the males with good semen quality ate significantly more fruits and vegetables—their diets were higher in vitamins and antioxidants in general.訪談結果顯示,那些精子質量高的男士平時吃下更多的水果和蔬菜,這使他們的飲食總體上富含更多的維生素和抗氧化劑。But even these men, whose levels were slightly lower than those found in a typical U. S. man, showed decreased semen quality that correlated with their relative BPA levels.但是即使是這些人,因為受雙酚A的影響,精子質量還是較正常人有所下降,但是他們檢測出的雙酚A含量卻比一個標準的美國人的含量要低。權威例句He had introduced into her young body something much more vital than his semen.NPR: One Boy's Heroism in the Face of AIDSThe energy that male fish expend on courtship comes at the expense of their semen.ECONOMIST: Males can take many routes to reproductive successMr Pitchfork was asked to provide a sample, and it matched the semen from both victims.ECONOMIST: CASE HISTORY: DNA's detective story The 返回 semen