?一：placenta是什么意思（中英文）解釋的意思

placenta是指哺乳動(dòng)物和某些爬行動(dòng)物胎盤內(nèi)部的組織，它負(fù)責(zé)胎兒與母體之間的營養(yǎng)和氣體交換。在人類和其他哺乳動(dòng)物中，胎盤通常在懷孕期間形成，并在分娩時(shí)排出體外。

Placenta is the internal tissue in the placenta of mammals and some reptiles, which is responsible for the exchange of nutrients and gases between the fetus and the mother. In humans and other mammals, the placenta usually forms during pregnancy and is expelled from the body during childbirth.

二：怎么讀（音標(biāo)）

/pl??s?nt?/

三：用法

作為名詞，placenta可以用來指代哺乳動(dòng)物和某些爬行動(dòng)物胎盤內(nèi)部的組織。它也可以用來指代分娩后排出的胎盤。

As a noun, placenta can refer to the internal tissue in the placenta of mammals and some reptiles. It can also refer to the afterbirth that is expelled after childbirth.

四：例句1-5句且中英對照

1. During pregnancy, nutrients are passed from the mother to the fetus through the placenta.

懷孕期間，營養(yǎng)通過胎盤從母親傳遞給胎兒。

2. The doctor examined the placenta after delivery to ensure it was complete.

醫(yī)生在分娩后檢查胎盤，確保它完整。

3. In some cultures, the placenta is considered a sacred organ and is buried as a sign of respect.

在某些文化中，胎盤被視為神圣的器官，被埋葬作為尊重的象征。

4. The placenta plays a crucial role in the development and nourishment of the fetus.

胎盤在胎兒的發(fā)育和營養(yǎng)中起著至關(guān)重要的作用。

5. The midwife carefully examined the placenta to ensure there were no complications during childbirth.

助產(chǎn)士仔細(xì)檢查胎盤，確保分娩過程中沒有并發(fā)癥。

五：同義詞及用法

1. Afterbirth：指分娩后排出的胎盤。

2. Chorion：指哺乳動(dòng)物和某些爬行動(dòng)物胎盤外部的組織。

3. Fetal membrane：指包裹著胎兒的膜。

4. Umbilical cord：指連接胎兒和母體的臍帶。

5. Placentation：指哺乳動(dòng)物和某些爬行動(dòng)物形成胎盤的過程。

六：編輯總結(jié)

Placenta是哺乳動(dòng)物和某些爬行動(dòng)物內(nèi)部組織，負(fù)責(zé)營養(yǎng)和氣體交換。它在懷孕期間形成，并在分娩時(shí)排出體外。Placenta對胎兒的發(fā)育和健康至關(guān)重要，因此在分娩后需要仔細(xì)檢查。除了作為名詞指代胎盤，它還可以用來指代分娩后排出的胎盤。同義詞包括afterbirth、chorion、fetal membrane、umbilical cord和placentation。