您要查找的是不是：
- 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。
- tracer aid 弹迹模拟练习器
- 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 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 solute will be referred to as a tracer. 这种溶质称为示踪剂。
- 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。
- The tracer becomes increasingly dispersed. 示踪剂逐渐地扩散。
- A cane or staff used as an aid in walking. 手杖用于帮助行走的杆或棒
- Deletes tracer token history information. 删除跟踪令牌历史记录信息。
- Identifies a tracer token record. 标识跟踪令牌记录。
- 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
- Chemistry To add a tracer to (a compound). 使示踪：向（一个复合物）加示踪剂
