precursor

美音：[prɪ'kɜrsər] 英音：[priː'kɜː(r)sə(r)]

简单释义：

n.先驱；先锋；前身

网络前体；前驱物；先兆

变形：

复数：precursors

完整释义：

1.前兆,预兆,先驱
2.〔遗〕前体
3.前辈,前驱,先锋;前任
4.前身细胞
5.预兆;先兆
6.〔化〕原料;母体
7.产物母体
8.先质
9.预报器
10.【原子能】前驱波;初级粒子

例句：

Charles used to say that toys are not as innocent as they appear. They are often the precursor to bigger things.
查尔斯曾经说玩具并没有它们看起来那么单纯，它们常常是更大事物的前兆。
Water washing which directly affected the intensity of carbon fiber was an important step in producing PAN precursor for carbon fiber.
水洗是碳纤维用聚丙烯腈（PAN）原丝生产过程中的重要环节，其效果好坏将直接影响碳纤维强度的高低。
Thus it appears that any variability whatsoever in background seismicity can be claimed, after the fact, to have been a precursor.
这样看来，可以将背景地震活动性中的任何变化，在地震发生之后，认为是一种前兆。
He was an agent for the OSS, the precursor to the CIA, posted to South-East Asia at the end of the second world war.
他曾是美国战略情报局（中央情报局前身）的间谍，在二战末期被派往东南亚。
Westwood is always the precursor of the punk revolution after all, whose goal is to challenge the traditional raiment of the fashion world.
韦斯特伍德始终是朋克革命的先驱者，她的目标就是向时装界的传统服饰挑战。
It's a precursor to dynamically morphing wallpaper planned for a release or two down the road.
这是一个变形动态墙纸的前兆。
I mean it wasn't terrible, it was sort of a precursor to what people are trying to do It flopped miserably, but I'm glad we did it.
其实也没那么糟糕，它就是个先兆，预示了现今人们，很悲惨它失败了，不过我很高兴我们做过。
The other could be considered the precursor of the Mediterranean diet and was found in the southerly parts of the peninsula.
其他可以考虑的前身地中海饮食和被发现的偏南地区的半岛。

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