maintain 四级六级高考

She maintains the rose garden by pruning and watering each plant daily.

她通过修剪和每天浇水来维护玫瑰园。

We all have an interest in maintaining the integrity of the ecosystem.

维持生态系统的完整是我们共同的利益。

It's endless work maintaining the house in good repair.

要让房屋保持得很好是件干不完的活。

The company has struggled to maintain its domination in the marketplace.

该公司奋力维持其市场优势。

Though the analysis of the concrete track crosstie dehiscence, a new maintaining method is provided.

介绍混凝土轨枕伤损的类型及其原因，并一种适合混凝土轨枕线路特点的养护作业方法。

The nuclear deterrent has maintained an uneasy peace.

核威慑一直使和平处于不稳定状态。

He maintained an attitude of high seriousness.

他保持极为认真的态度。

The trophectoderm maintains the pressure by pumping the fluid into the caity.

滋养层通过向腔内泵入液体来维持这种压力。

Plato even maintains religion to be the chief aim and scope of human life.

柏拉图甚至强调宗教是人生的主要目的。

Error is noncumulative as long as pulse-to-step integrity is maintained by the stepper motor.

只要脉冲-步进的过程完整执行，错误数据就不会积聚。

Should make the patient maintains lukewarm thaw quiet, can give when necessary tranquillizer and aconite.

应使病人保持温暖和安静，必要时可给以镇静剂和止痛剂。

As wave crested the sailor grab onto the handspike to maintain balance.

起浪时水手抓住绞盘棒以保持平衡。

It is clearly illogical to maintain such a proposition.

坚持这种主张显然是没有道理的。

We maintain cordial relations with our neighbors.

我们与邻里保持亲切友好的关系。

She maintained her composure, though with difficulty, throughout the trial.

尽管十分困难，她在这场磨难中还是保持冷静。

This island is maintained as a sanctuary for endangered species.

那个岛继续作为濒危物种的保护区。

For three nights, the shepherd maintained his lonely vigil.

牧羊人孤零零地连续看守三个晚上。

She maintained her serious mien until the interview was over.

直到访问结束她一直保持严肃的态度。

Poorly built or badly maintained structures often giveway due to incessant rains.

连绵不断的降雨经常会致使质量低劣或维护不善的楼房发生倒塌。

The wife of the accused has maintained an impartial stance throughout the trial.

在整个审判过程中，被告的妻子保持不偏不倚的态度。