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- Any of several herbs or woody vines of the genus Aristolochia having showy, malodorous, purplish-brown to yellowish flowers with peculiar or unusual shapes. The European species A. clematitis was used as a folk medicine to aid childbirth. 马兜铃一种马兜铃属的草本植物或木本蔓生植物，开有鲜艳、有恶臭味、紫褐色到黄色的，形状怪异的花朵。欧洲种h。铁线莲属在民间医药学中用于助产
- Responsibility system of aiding childbirth 责任制助产
- Epidurals are now often used during childbirth. 现在分娩时常用硬膜外注射。
- It means to give the most-needed and timely aid. 它的意思是给予最需要的及时的帮助。
- The science of childbirth; midwifery or obstetrics. 产科学分娩的科学; 助产学或产科学
- I'm collecting money in aid of starving children. 为帮助饥饿的孩子们，我正在搞募捐。
- aiding childbirth 助产
- The state of a woman during childbirth or immediately thereafter. 妇女在分娩期或紧接其后的时期内的状况
- She used slides as a teaching aid. 她用幻灯片作教学工具。
- They offer financial aid with no strings attached. 他们无条件提供财务援助。
- My friends bailed me out with economic aid. 我的朋友们从经济上帮助我使我脱离困境。
- The collection is in aid of the blind. 这笔募集的捐款是用来救济盲人的。
- He solicited aid from his close friends. 他请求挚友相助。
- The regime had been propped up by foreign aid. 该政权是靠外国援助维持著的。
- The confinement of a woman in childbirth. 分娩室妇女生孩子时的隔离处
- The aged peasant is advancing slowly with the aid of a cane. 那老农凭借手杖的帮助，慢慢地往前走。
- An obvious one relates to childbirth. 生产就是个明显的例子。
- A dictionary is an invaluable aid in learning a new language. 在学习一种新语言时,辞典是非常有用的工具。
- Rich countries should give more aid to developing countries. 富有的国家应对开发中的国家多予援助。
- She made no effort to aid Sophia. 她根本不去帮助苏菲亚。
