有害

Chaparral protects against the harmful effects of radiation , sun exposure , and the formation of tumors and cancer cells .

榭可防止有害辐射影响，太阳照射，并形成肿瘤及癌细胞。

What is worse, such self-imposed reticence proves to be extremely detrimental to the artistic achievement of the novella, for, without in-depth delineation of female sexuality, the novella is at best a farce-like character sketch that verges on nothing more than a showcase for the failed, absurd escapade for university students to enact their aspiration to serve their country by committing ridiculous espionage conspiracy.

更糟的是，这种自我沉默是极其吗有害的中篇小说的艺术成就，因为没有深入的描述女性的性欲，中篇小说充其量是个farce-like人物素描，濒临一无所有超过一个展示的失败，荒谬的冒险为大学生制定吸尘为国家服务承诺荒谬的间谍同谋。

Frivolous talk is hurtful talk; besides, it is unbecoming to be chatterbox.

轻浮的谈话是有害的；而且，做一个喋喋不休的人实在很不体面。

Check with your doctor first, especially if you have allergies, but it's probably not harmful.

请向你的医生咨询，特别是如果你有过敏症，但可能不是有害的。

Calcium citrate is also used as a water softener because the citrate ions can chelate unwanted metal ions.

柠檬酸钙也可以用来作为水柔软剂，因为柠檬酸离子螯合有害金属离子。

The article introduces the concept and characteristics of "chemical time bomb",and points out that the accumulation process of heavy metallic elements in soil is the typical "geochemical time bomb",which will result in huge loss once it erupts.

化学定时炸弹(chemical time bomb，CTB)是奥地利科学家W.M.STIGLIANI于1990年正式提出的，定义为"化学定时炸弹的概念涉及一系列事件。使长期储存于土壤及沉积物中的化学物质活化，引致延缓而突然爆发的有害效应"。

The result indicated that: land leveling in chernozem area should be based on the actual mode of production and soil characteristics to amend the local topographic surface; water conservancy works of farmland should adopt sprinkler irrigation system to save water; field road design requires to be based on field conditions in order to maximize conservation of the farmland; creating a shelter to mitigate the harmful wind, focusing on raising soil fertility, and changing tillage methods to improve soil.

研究结果：黑钙土地区土地平整应依据实际生产方式与土壤特性采取修改局部地形面方法；农田水利设施需采用喷灌系统进行节水灌溉；田间道路设计须根据实地条件与生产方式最大限度节约耕地；营造防护林以减缓有害风；注重培肥地力、改变耕作方式以改良土壤。

Risk appraisement of chestnut blight in Guangxi was made based on qualitative factor and quantity index system. The result showed that the comprehensive appraisement value of risk was 1.7128 and it meant that this disease belonged to a middle dangerous level in forestry.

通过定性因素和定量指标体系相结合的方法对板栗疫病在广西的危险性进行评估，评估结果表明，此病害的危险性综合评价值为1.7128，属于中度危险性的林业有害生物。

Chestnut blight fungus, Cryphonectria parasitica, hosted in a wide range of plants and chestnut blight was widely scattered in Guangxi. It is proposed that C. parasitica is not necessarily to he decided as a quarantine organisms in Guangxi forestry.

板栗疫病菌寄主范围广，此病在广西的分布已经相当广泛，但板栗疫病的病原菌不必补充为广西壮族自治区林业检疫性有害生物。

Even tap water invariably contains a variety of poisons such as chlorine, chloramine, asbestos, pesticides, fluoride, copper, mercury, and lead.

就是自来水也必定含有各种有害物质，如氯、氯胺、石棉、杀虫剂、氟化物、铜、铅等。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。