查询词典 hard bark

Prevent the wind-borne dust and soil erosion,using bark to cover the ground may prevent tile wind-bolie dust from taking place,improve the air quality,make the environment more graceful.

防止扬尘和水土流失，使用树皮进行地面覆盖物可以避免扬尘发生，提高空气质量，是环境更优美。

The leaves of some types turn colors in the fall, and after the leaves drop certain varieties add interest to the garden in winter with their bright red or yellow bark.

叶片某些类型又在秋天的颜色，并在离开下拉某些品种的购买兴趣在冬季花园的鲜红色或黄色的树皮

It was originally used by Native Americans, who used witch hazel bark and twigs in many therapeutic applications and passed on their knowledge to the settlers.

最初是印第安人用金缕梅的表皮和分支用来治疗的，后来传给了移民们。

To make wood pulp , the bark must first be removed from the wood.

为了使木材纸浆，树皮必须首先从木材。

They instructed the new－comers in their agriculture and woodcraft,introduced them to maize,beans,squash,maple sugar,snowshoes,toboggans,and birch bark canoes.

他们对这些新来的人在农业耕作和森林环境知识方面加以指导，教他们认识玉蜀黍、豆子、西葫芦、槭糖、雪地鞋、长雪橇和桦树皮独木舟。

The secondary xylem of trees and shrubs,lying beneath the bark and consisting largely of cellulose and lignin.

木质位于树皮下的树和灌木的次木质部，主要由纤维质和木质构成

But in a few years you might begin to bark instead of just yap.

然而再过几年你可能就不是简单地发牢骚了

Whilst they don't bark much, they howl and yelp similar to a wolf.

虽然他们并不十分树皮，叫嚷yelp和狼相似。

Yohimbine is a crystalline alkaloid substance derived from the bark of the yohimbé tree found in central Africa, where it has been used for centuries to increase sexual powers.

育亨宾是一种结晶生物碱物质来源于树皮的yohimbé树发现在中部非洲，在那里使用了数百年来，以增加性的权力。

Objective: To explore the effects of slenderstyle acanthopanax root-bark on cyclooxygenase in vivo and in vitro .

中文摘要：目的：探讨五加皮在体外和体内对环氧化酶的影响。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。