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- Ignorance acts as a brake to progress. 无知阻碍了进步.
- "We think that EDR1 acts as a brake," says Innes. Innes说：“我们认为EDR1的作用就好比制动闸。”
- act as a brake upon 阻碍, 控制
- The rise in interest rates acted as a brake on expenditure. 利率的提高产生了抑制消费的作用。
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- 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。
- 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。
- 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 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。
- One measure of ORAD's dedication is that rather than preventing discrimination against rural areas, the 50-percent requirement soon acted as a brake on aid to them. 衡量农村区域发展办公室的贡献的标准之一竟然是：这一50%25的要求很快成了援助农村地区的一道紧箍咒，而不仅仅是防止歧视农村地区。
- His wife's calm nature act as a counterbalance to his excitability. 他妻子生性从容不迫，这对他的易冲动的个性起著平衡作用。
- 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。
- Then you have to act as a dishwasher yourself. 那么就由你来充当洗碗机吧。
- The good news acted as a tonic on us all. 那个好消息让我们大家欢欣鼓舞。
- The paid his way by acting as a guide. 他当向导来抵他的费用。
- The heart act as a muscular pump. 心脏充当了一部强有力的泵。
- If the car comes off the track because the driver has misjudged a braking point or is struggling with a technical fault, the run-off zone acts as a sort of emergency brake. 如果一辆赛车因为车手错误判断了刹车点或者遭遇了技术上的故障而冲出了赛道，缓冲区就扮演了类似紧急刹车的作用。
- To act as a conduit for stolen goods. 买卖赃物获取或转让赃物的行为
