| 1. | They are the vanguards of the working class .
他们是工人阶级的先锋队。 |
| 2. | The vanguard units started off last night .
部队前锋昨晚已经出发。 |
| 3. | The vanguard is(are)under attack .
前卫受到攻击。 |
| 4. | On the second day the vanguard on the right bank fell behind .
第二天，右岸的先锋部队落在后面了。 |
| 5. | The vanguard in the movement were priests and ministers who worked in the slums .
运动的先锋，是在贫民窟工作的神父和牧师。 |
| 6. | The vanguard of the american army reached the elbe, only fifty-three miles from berlin .
美军先头部队到达易北河，离柏林仅五十三英里。 |
| 7. | Before their vanguard reached the gates they had to come to grips with the police and soldiers .
前面的队伍还没有冲到大门口，军警已经和他们短兵相接地混战起来。 |
