Word · Frequency #28946
placental
胎盘的;有胎盘的;经由胎盘的
核心释义
relating to, having, or occurring by means of a placenta
- 1.
胎盘的;与胎盘有关的。
Of or pertaining to the placenta.
- 2.
关于真兽亚纲的,包含非有袋类或非单孔类的哺乳动物。
Pertaining to the Placentalia, comprising of mammals that are not marsupials or monotremes.
胎盘的;与胎盘有关的。;关于真兽亚纲的,包含非有袋类或非单孔类的哺乳动物。;(有)胎盘的;(有)胎座的
用法In use
The doctor said the placental growth looks normal on the scan.
用法提示:此处 placental 是形容词,修饰 growth,表示‘胎盘的’。
Cats are placental, so they give birth to live kittens.
用法提示:此处 placental 是表语形容词,表示‘有胎盘的’。
Placental mammals include humans, dogs, and whales.
用法提示:此处 placental 是形容词,修饰 mammals,表示‘有胎盘的’。
placental + [noun]
形容词用法:作定语,修饰名词,意为“胎盘的、有胎盘的”。
Placental mammals include humans, dogs, and whales.
有胎盘哺乳动物包括人类、狗和鲸。
be placental
形容词用法:作表语,表示“具有胎盘”。
相关词与表达Connections
搭配Collocations
- placental mammal
- 有胎盘哺乳动物
- Humans are placental mammals.人类是有胎盘哺乳动物。
- placental tissue
- 胎盘组织
- The researchers studied placental tissue under a microscope.研究人员在显微镜下研究了胎盘组织。
- placental abruption
- 胎盘早剥
- Placental abruption can cause bleeding during pregnancy.胎盘早剥可能导致孕期出血。
- placental barrier
- 胎盘屏障
- The placental barrier protects the fetus from many infections.胎盘屏障保护胎儿免受许多感染。
- placental insufficiency
学习提示Learner notes
记忆技巧Memory Tip
把 placenta(胎盘)末尾 a 换成 -al 变形容词;画面:子宫里胎盘把母体与胎儿相连。也记名词“有胎盘哺乳动物”。
语境与语域Context & Register
语域:formal 常见场景:生物学、医学、动物学 该词属较正式/专业的用法:作形容词时通常用于生物学和医学语境,如胎盘组织;作名词时多见于动物学,指有胎盘类哺乳动物。日常口语中较少使用。
发音与拼写Pronunciation & Spelling
dental, mental, rental, parental, accidental and gentle all rhyme with placental: each has the same stressed /ɛntəl/ ending. Be careful with lookalikes that do NOT rhyme, such as placenta /pləˈsɛntə/ and scent /sɛnt/.
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.