They use the arboretum'sArboretum's Internet website to learn about current research programs and how to care for plants.

The second group of students in charge of propaganda work, they establish a sign to tell visitors to care for plants and flowers.

第二组的同学负责宣传工作，他们树立标牌，告诉游客要爱护花草。

I'm sorry I have not been able to reply sooner.

迟于作复,歉甚.

Details of the proposal have not yet been made public.

提议的细目尚未披露.

I have not heard from her since she left.

她走后音信杳无.

There are few who have not suffered.

谁都会经受挫折。

In the benefit arrangement of agricultural industrialized organization, the lower benefit, which the farmers got from the organization, not only has impact on the stabilization of the industrialized organization, but also contuses the enthusiasm of farmers investing in agriculture.

农业产业化经营组织利益分配中，农户收益的偏低不仅不利于产业经营组织的稳定，而且严重挫伤农户投资农业生产的积极性，影响整个农业产业化经营体系的发展。

The status contuses investors'enthusiasm directly, and weaken action of capital market, be in a hindrance for national economy developing continuously.

这种状况直接挫伤了投资者积极性，削弱了资本市场的应有作用，防碍了国民经济的持续发展。

Pathological changes of contused artery were similar in 3 groups.

3组中动脉挫伤和完全断裂伤的震荡区的病理表现类似。

The chest CT and X-ray contrasting analysis of contused wound in lung

肺挫裂伤的CT与X线平片对照分析

Changes of Aquaporins 1 Expression in the Contused Lung of Rats

大鼠挫伤肺组织中水通道蛋白1表达变化

The renal pathology show primary wound tract areas, contused areas, and vibration areas obviously.

肾脏病理表现为明显的原发伤道区、挫伤区和振荡区改变。

Conundrums constitute a form of humorous expressions in English.

英语脑筋急转弯体现了英语幽默语言的特点。

The theory, if valid, would address important conundrums facing particle physicists.

这个理论如能被证实，或许就能解决粒子物理学家面临的重要难题。

More innovative approaches are required to tackle social conundrums and to clear paths for progress.

需要更具创新性的手段从而应对社会难题和为进步扫清道路。

Based on the analysis of the characteristics of conundrums, the semantic approach is introduced and the semantic strategies are summarized.

基于对英语脑筋急转弯特征的分析，本文提出了从语义学的角度对英语脑筋急转弯进行研究，并对其运用的语义策略进行了归纳总结。

All told, output and margin conundrums have pushed down return on capital employed to all-time lows.

总之，产出和利润率的双重困境，将已动用资本回报率（ROCE）推向历史新低。

Unfortunately sludge bulking is one of the conundrums of all the traditional and improved activated sludge processes for its poor sludge sedimentation ability.

但是，不论哪一种改进的活性污泥工艺，污泥膨胀现象一直是困扰人们的难题之一，它的突出问题是污泥沉降性能差。

The situations in Saudi Arabia, Yemen and Bahrain pose another set of conundrums.

沙特、也门以及巴林的局势构成了另一组谜题。

What prompts the formation of conundrums?

是什么促使的脑筋急转弯的生成？

The journalist was sued for publishing contumelies against the politician.

这位记者因发表针对政治家的诽谤言论而被起诉。