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- Because the ashless additives had not second pollution,they became the development trend of soot suppressants and combustion aids. 无灰剂虽然效果不如有灰剂,但不会造成二次污染,是消烟助燃剂的发展方向。
- 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。
- I'm collecting money in aid of starving children. 为帮助饥饿的孩子们，我正在搞募捐。
- 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。
- The combustion in the forest generated great damage. 森林火灾造成了巨大的损失。
- 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 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。
- 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。
- A forcible stream of air, gas, or steam from an opening, especially one in a blast furnace to aid combustion. 吹风，送风从出口，尤其是从助燃鼓风炉的出口出来的空气，其他气体或蒸汽气流
- Before mixing with the products of combustion, the air is preheated. 空气在与燃烧生成物混合之前要进行预热。
- A cane or staff used as an aid in walking. 手杖用于帮助行走的杆或棒
- The smoke formed by their combustion is negligible. 由它燃烧所生成的烟是可忽略的。
- In his view, aid to the rebels should be suspended. 他的观点是，对反叛者提供的援助应该停止
- They've made an urgent request for international aid. 他们紧急请求国际援助。
