1·Beeswax acts as an emulsifying agent.
蜂蜡可以用作乳化剂。
—— 《柯林斯英汉双解大词典》
2·Pain acts as a natural defence mechanism.
疼痛算是一种自然防护机制的作用。
—— 《牛津词典》
3·The satellite acts as a drag on the shuttle.
卫星是对航天飞机发展的阻碍。
—— 《柯林斯英汉双解大词典》
4·The teacher acts as a facilitator of learning.
教师是学习的诱导者。
—— 《牛津词典》
5·She acts as a liaison between patients and staff.
她担当病人和医务人员之间的联络员。
—— 《柯林斯英汉双解大词典》
6·The child's same-sex parent acts as a role model.
孩子的同性家长是孩子效仿的榜样。
—— 《牛津词典》
7·The site acts as a portal for thousands of online dealers.
该站点为数千名网络交易者的门户网站。
—— 《柯林斯英汉双解大词典》
8·Alcohol acts as a diuretic, making you even more dehydrated.
酒水也是利尿剂，它甚至能使你脱水更严重。
—— 《柯林斯英汉双解大词典》
9·Support from family and friends acts as a buffer against stress.
家庭和朋友的支持有助于减缓压力。
—— 《牛津词典》
10·His secretary acts as a gatekeeper, reading all mail before it reaches her boss.
老板的秘书负责把关，所有邮件都由她先过目再呈送给他。
—— 《牛津词典》