您要查找的是不是：
- This actor has a baby face, so he often acts as a child. 这个演员长了一张娃娃脸，所以经常扮演小孩儿的角色。
- 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。
- The bus conductor became the man of the moment when he acted as midwife to a woman who gave birth to a baby on his bus. 当这个公共汽车售票员为一个在车上生产的妇女接生时，他曾名噪一时。
- Be mature and stop acting as if you were a baby. 成熟点儿，别表现得像个孩子。
- This is the woman who was once adopted as a baby. 这就是那个在孩提时代曾经被人寄养过的妇女。
- 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。
- Her skin is still as smooth as a baby's bottom. 她的皮肤仍然十分柔软、光滑。
- 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。
- As a baby,she was put out to nurse. 她在婴孩时寄给人家去喂奶。
- Old John goes to sleep as easily as a baby does. 老约翰像婴儿一样容易入睡。
- 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。
- His serene sleeping face is as pure as a baby. 他平静安详的睡脸宛若婴儿一般纯真。
- She paid her way by acting as a guide. 她当导游来维持生活。
- This cloth is as soft as a baby's bottom. 这条布料手感很好。
- She acts as a private secretary to him. 她担任他的私人秘书。
- He is as innocent as a baby unborn. 像婴儿般天真,纯洁无瑕。
- Then you have to act as a dishwasher yourself. 那么就由你来充当洗碗机吧。
