您要查找的是不是：
- Natural aids are a rider's balance, hands, voice, and legs;artificial aids include bits, reins, saddles, and spurs. 自然的辅助指挥是靠骑手的平衡、双手、声音和双腿来控制，副辅助（artificial aids）则包括衔铁、缰绳、马鞍和马刺。
- 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。
- This dress is made of artificial fibers. 这件衣服是人造纤维的。
- Her artificial gaiety disguised an inner sadness. 她以矫揉造作的快乐掩饰著内心的悲痛。
- I'm collecting money in aid of starving children. 为帮助饥饿的孩子们，我正在搞募捐。
- artificial aids to natural regeneration 人工促进天然更新
- I can't stand his artificial smiles. 我受不了他的假笑。
- I was fitted an artificial tooth by the dentist. 牙医给我镶了颗假牙。
- 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。
- Artificial heating hastens the growth of plants. 人工供暖能促进植物生长。
- Her artificial manner made me sick. 她那装腔作势的样子令我恶心。
- The regime had been propped up by foreign aid. 该政权是靠外国援助维持著的。
- The room was decorated with artificial flowers. 房间用人造花装饰。
- This product contains no artificial preservatives. 此产品不含任何人造防腐剂。
- 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。
- This yoghurt contains no artificial flavouring or colouring. 这种酸乳酪不含人造香料或著色剂。
