侵扰

Infestations of these caterpillars may defoliate oaks and other hardwood trees but usually do no permanent damage.

这些毛虫的侵扰可能使橡树落叶和其它硬木树，但是通常不会有永久性损伤。

Historically, areas of Africa have experienced periodic locusts infestations, which can completely destroy crops.

历史上，非洲地区蝗虫侵扰经历周期，它可以完全摧毁农作物。

Interruptions come in a person's life and we can't stop them;nobody can.

我们的生活总是被各种各样的意外侵扰着，我们阻止不了这些，没有人能阻止得了。

In her blood--and the ornithologists were camping in the woods, protecting her nest from predators

为了拍照和保护那个窝不受捕食动物的侵扰，鸟类学家们在树林里扎营露宿。

Big dogs like the Anatolian shepherd or Great Pyrenees can guard them from hostile animals.

诸如安那托利亚牧羊犬或者大白熊犬一类的大型犬种，可以有效保护羊群免受怀有敌意的动物的侵扰。

STARVING, homeless and vulnerable to infectious disease, the inhabitants of Myanmar's Irrawaddy delta must feel that things could hardly get worse.

饥饿，无家可归，易受传染病的侵扰。在缅甸Irrawaddy三角洲的一定会感到事情不会经这些更糟糕的了。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。