He felt a tap on his shoulder and turned round.
他觉得有人轻轻拍他的肩膀便转过身来。
Tell me when the tape starts recording.
磁带开始录时告诉我一声。
Their group was targeted to carry the burden of job losses.
他们那个小组被选中成为裁员的目标。
The teacher assigned a different task to each of the children.
老师给每个儿童布置的作业都不相同。
A computer can perform many tasks at once.
电脑能同时做多项工作。