题目
clue powder是什么意思
提问时间：2021-04-02
答案
就是银行之类的在钱啊什么上面涂的. 肉眼是看不见的. 用紫外线就可以看见了. 也是洗不掉的.
Clue powder is an invisible, ultraviolet powder designed for theft detection and identification of stolen items. The thief will have no idea that he has been identified; however, the powder will remain on his fingers and hands. Invisible to the naked eye, except under an UV light. Stays on hands for 2-3 days, must wear off... cannot be washed off.
Clue powder is an invisible, ultraviolet powder designed for theft detection and identification of stolen items. The thief will have no idea that he has been identified; however, the powder will remain on his fingers and hands. Invisible to the naked eye, except under an UV light. Stays on hands for 2-3 days, must wear off... cannot be washed off.
举一反三
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
1,人们染上烟瘾,最终因吸烟使自己丧命.
最新试题
热门考点
- 1Tom ______(做听力训练)every morning.
- 2一道二次函数题目
- 3x+y=5 xy=3 求2x平方+2y平方 的值
- 4如图,已知在平行四边形ABCD中,E,F是对角线BD上的两点,BE=DF,点G,H分别在BA和DC的延长线上,且AG=CH,连接GE,EH,HF,FG求证：四边形GEHF是平行四边形
- 514.The problem of housing____________ leads to the problem of social instability.
- 6某温度下，在恒容密闭容器中充入NO2，发生反应2NO2（g）⇌N2O4（g）△H＜0，达到平衡后，下列说法不正确的是（ ） A.再充入少量NO2，达平衡后NO2的转化率升高 B.再充入少量NO2，达
- 7首次计算出光速为3X10的5次方千米每秒的科学家
- 8三角形ABC中,D在BC上,BD:DC=1:2,E在AB上,AE：EB=3:2,AD与CE交与F,求AF:FD
- 9用简便方法计算：20112 -2011×22+121=_．
- 10这棵树真绿啊,绿得——