precursor是什麼意思_音標_用法_例句

簡單釋義：

n. 先驅；先鋒；前身

網絡 前體；前驅物；先兆

變形：

複數：precursors  

完整釋義：

n.

1.前兆,預兆,先驅
2.〔遺〕前體
3.前輩,前驅,先鋒;前任
4.前身細胞
5.預兆;先兆
6.〔化〕原料;母體
7.產物母體
8.先質
9.預報器
10.【原子能】前驅波;初級粒子

例句：

1. Thus it appears that any variability whatsoever in background seismicity can be claimed, after the fact, to have been a precursor.
   這樣看來，可以將背景地震活動性中的任何變化，在地震發生之後，認為是一種前兆。

2. Opposition by colonists to unfair taxation by the British was a precursor of the Revolution.
   殖民地居民對英國不公正稅收的反抗預示着革命的到來。

3. The ADP report is often seen as a precursor to the Labor Department's big monthly jobs report due out Friday.
   ADP就業報告被看做美國勞工部將於周五公布月度就業報告的預兆。

4. Impatience is often a precursor to self-punishment, so stop way before the red light hits.
   焦躁通常是自我懲罰的前兆，因此，你得趕快在紅燈亮起之前停下來。

5. It's a precursor to dynamically morphing wallpaper planned for a release or two down the road.
   這是一個變形動態牆紙的前兆。

6. The rebels were driven out of Bin Jawwad the next day, a precursor to Qaddafi's ruthlessly efficient march east in the following ten days.
   次日叛軍便被趕出本賈瓦德，這是卡扎非開始向東部無情的高速推進的前兆。

7. RNA, the single-stranded precursor to DNA, normally expands one nucleic base at a time, growing sequentially like a linked chain.
   DNA的單鏈前體分子，一般一次延伸一個鹼基，就像延長的鎖鏈。

8. The results show that above – named observation data are able to reflect short – impending precursor information before some medium shocks .
   結果表明，上述各測項能夠較有效地反映出某些中等地震前兆的短臨異常信息。