1.
Weed control and timing of treatment to avoid weed penalty.
杂草控制及适时处理，以防止其蔓延危害作物。
2.
The Impact of Suburbanization in the US on the Ecological Environment;
当代美国郊区的蔓延对生态环境的危害
3.
The spread of pests damaged countless fruit trees.
虫害的蔓延损害了无数果树。
4.
This is the nightmare scenario of an influenza pandemic, affecting not only Vietnam but much of the world. But on Sunday, at least, it was only a drill.
流感就像噩梦般蔓延,它影响的不仅仅是越南，甚至危害到世界。但星期日的仅仅是场预演。
5.
Paid news has been spread in news media including Radio and Television and its harm has already known by people.
有偿新闻在新闻媒体,包括广播电视单位已呈蔓延趋势,它的危害性也早已人所共知。
6.
The fire spread endangering several nearby homes.
火势蔓延危及附近的几栋房屋。
7.
exposing building
有造成蔓延火灾危险的建筑物
8.
The practice theatens to become general.
这种风气有蔓延开来的危险。
9.
We should find some ways to prevent the harmful gas from spreading.
我们应找到法子阻止有害气体的蔓延。
10.
They say they fear the deadly violence there could spill over.
他们害怕残酷的暴力冲突会蔓延。
11.
Its use spreads disease and impoverishes the land.
用了它之后, 病害蔓延, 土地贫瘠。
12.
Apart from prolonging the killing, it risks escalating and spreading.
除了延长杀戮之外，它还冒着升级和蔓延的危险。
13.
The debt crisis spread beyond Latin America into Asia and Africa.
债务危机越出拉丁美洲的范围，蔓延到亚非国家。
14.
The disease is spreading, and all children under five are at risk.
这疾病在蔓延, 五岁以下的小孩都有危险。
15.
The pests spread quickly in these regions and there was a shortage of labour.
虫害在这些地区迅速蔓延，劳动力又很紧张。
16.
We use blood cultures to detect the presence of any serious or vital bacteria and to reflect the degree of infection or expansion.
我们可由血液培养检测血液中有无严重或危害生命的病原菌，及反应出感染的程度和蔓延的情况。
17.
The report seeks to shed light in those parts of the world where religious persecution is perpetrated, and by that light to impede its progress.
它将那些实行宗教迫害的地区曝光，并因此而阻止宗教迫害的蔓延。
18.
The disease is spreading, and all children under 5 are at risk.
疾病正在蔓延,所有五岁以下的小孩都有被传染的危险。