生前的英文：
period of time during one's life
while living
參考例句：
antenatal diagnostic procedures.
出生前的診斷手續Joe was really a rat.
喬生前是個十足的大騙子Amniocentesis is the standard prenatal detection procedure for aneuploidy.
羊膜穿刺術是出生前檢測非整倍體的金標準。Most of the time of the defunct had been passed in helping himself.
死者生前大部分時間都是用來造福自己。 Most of the time of the defunct had been passed in helping himself
死者生前大部分時間都是用來造福自己。Two months before birth, we descended to our present position through a little opening called the inguinal canal
出生前兩個月，我們通過一個名叫腹股溝管的小開口，下降到我們現在的位置。His father was named salvador, and he had an older brother, who had died 9 months before Dal's own birth
父親名叫薩爾瓦多，他還有個在自己出生前9個月去世的哥哥。BC: Short for before Christ. Usually set in small caps and after the figures(e.g. 150 BC).
公元前:英文是基督降生前和意思。排字時(英文)，應用小型大寫，放於年份之後。Knowledge of something in advance of its occurrence,especially by extrasensory perception;clairvoyance.
預見，洞察力尤指通過超感官的知覺而在某事發生前便得到其有關資訊;洞察力According to Antinoriaccurate prenatal screening can detect most defectsso bad embryos could be aborted
根據安蒂諾里的說法，準確的生前檢查能查出大多數缺陷，因此，不正常的胚胎可以流掉。
period是什麼意思：
n. 時間；時期；週期；經期；課時；局；句號
adj. 某一時期的；當時特有的
juvenile period
幼年期(構成中心木質部的'一段時期) But this is a transitional period.
但這是個轉變過程。The period includes the legal period and the period designated by the people's court.
期間包括法定期間和人民法院指定的期間。
time是什麼意思：
n. 時間；（一段）時光；時機；機會；歷史時期；時代；次；回；倍
v. 測定…所花時間；調準；調整；測定…所花時間
adj. 時間的；定時的；定期的；分期的
discrimination time
辨別時間辨別時間 It is time to go.
該走了。They are not in step with the times.
他們跟不上時代的步伐。
during是什麼意思：
prep. 在…整個期間；在…期間的某個時候
during one's minority
未成年期間 Drinking is not advised during pregnancy.
建議妊娠期不要飲酒。The capture was conducted during midnight.
俘虜行動在午夜舉行。
