用作及物动词 ▲S+~+n./pron. It is not possible to pinpoint precisely the time of death.准确地确定死亡时间是不可能的。 Our radar has pinpointed the planes.我们的雷达确定了飞机的精确位置。
There is only a pinpoint of light in the cave.山洞中只能见到一丝光线。
用作定语 ▲~+n. These missles can be fired with pinpoint accuracy.这些导弹可精确地命中目标。