您要查找的是不是：
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- We must appoint sb to act as secretary. 我们得指定一个人当秘书。
- He was appointed to act as the executor. 他被指定为遗嘱执行人。
- Maybe I can act as a messenger for you. 也许我能给你当信差。
- A trained dog can act as a guide to a blind person. 一条经过训练的狗能够充任盲人的向导。
- The new managing director will act as spearhead of the campaign. 新上任的常务董事将在这场运动中挂帅。
- The dean of the school act as marshal of graduation ceremony. 学校的教务长担任毕业典礼的司仪。
- Fix wages and lack of promotion act as a disincentive to employee. 工资固定又无晋升机会遏制了雇员的积极性。
- Will you act as witness to the agreement between us? 您作我们协议签署时的见证人行吗?
- I must find someone to act as a deputy for me during my absence. 我必须找一个人，在我离开期间代理我的职务。
- The parties heretofore acting as trustee. 在此以前作为受托人的当事人。
- The presence of the army should act as a check on civil unrest. 军队的存在应能制止民间的动乱。
- She paid her way by acting as a guide. 她当导游来维持生活。
- She acts as a private secretary to him. 她担任他的私人秘书。
- A piece of wood driven into a wall to act as an anchor for nails. 受钉木敲进墙里用以钉钉子的一块木头
- I specialize in the sale of cotton piece goods. May I act as your agent? 我专营棉布买卖，我可作为你们的代理吗？
- One who acts as the trainer or second of a boxer. 拳击手的训练者或其比赛时的助手
- I'm acting as deputy till the headmaster returns. 我在校长回来前代行他的职务。
- I went away so my daughter acted as hostess. 那时我不在家，所以由我女儿招待客人。
- The good news acted as a tonic on us all. 那个好消息让我们大家欢欣鼓舞。
