单词hazardous
adj.: 危险的；有害的
网络: 冒险的；有危险的；危险品
危险的；有害的:
involving risk or danger, especially to sb"s health or safety
不利
难以
易爆的
凭运气的
有害;危害
危险的,冒险的
adj.+n.:
hazardous situation,hazardous cargo,liquid hazardous,hazardous gas,hazardous journey
adj.dangerousriskyunsafeperilousharmful
adj.safe
He was trying to make safe surface coatings for food containers using chemicals less hazardous than those found in household cleaners.
他想使用比家庭清洁剂危险还小的化学制剂给食品容器做安全的表面涂层。
I have studied them for over three decades and I find them to be scientifically fascinating, and a few are potentially hazardous to Earth.
我已经研究它们（近地天体）超过30年我发现它们在科学上很吸引人，而且其中一些可能对地球造成潜在的伤害。
Such a project would be far too technically challenging and hazardous, Winterberg insisted, even for most doctoral candidates.
温特伯格坚持认为，即便对于很多博士研究生来说，这样一个工程的技术难度和危险性都显得太大了。
Even if the genes themselves are not initially hazardous, you do not know how they are going to evolve.
即使基因本身起初是没有危险的，但你不知道它们将如何演化。
"It"s hazardous to speak up in a very pragmatic sense. If it becomes known that it was you, who"s going to be the first to go? " he says.
尤西姆认同这种看法，他说“从现实的角度看，告状是一件很危险的事情。如果大家知道是你做的，那么谁会先离开公司还不知道呢。”
if it proves hazardous , engineers may have to cancel out the field within the living quarters using an opposing electromagnet.
如果结果显示强磁场有害人体，工程师可能就得利用相反方向的磁场来抵消船舱内的磁场。
Therefore, the tanker transportation of hazardous materials has always been a top priority to the railway safety.
因此，铁路危险货物罐车运输一直是铁路运输安全的重中之重。
And the job of cleaning up America"s hazardous waste is now projected to cost up to a trillion dollars over the next 30 years.
而且，在今后30年中，清理全国有害物质的规划，资金投入高达一万亿美元。
In the performance of my duties I shall never approve the operation of a flight which in my considered opinion is hazardous.
当我认为实际情况对航班运行有潜在危险时，基于一个签派员的责任感，我绝不做出放行决定。
This was partly because the Chairman"s frail health made it hazardous to predict when he would be in a condition to receive visitors.
部分的理由是因为这位主席当时健康已欠佳，难以预定他的身体状况什么时候适宜会客。