maintain 四级六级

She maintains that the accusation is groundless.

她持该控是毫无根据的。

We maintain cordial relations with our neighbors.

我们与邻里持亲切友好的关系。

He maintained an attitude of high seriousness.

他持了极为认真的态度。

The country maintains military bases on foreign soil.

那个国家在国外设有军事基地。

The proposal is annual and cerated maintain twice.

建议每年上蜡养两次。

The nuclear deterrent has maintained an uneasy peace.

核威慑一直使和平处于不稳定状态。

We manufacture and maintain mixer tank for Rinker Materials.

为瑞科尔公司制造并维搅拌罐。

The conservatives are keen to maintain the status quo.

守派热中于维持现状。

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持冷静。

For three nights, the shepherd maintained his lonely vigil.

牧羊人孤零零地连续看守了三个晚上。

She struggled to maintain the charade of not being afraid.

她竭力装出不害怕的样子。

It is clearly illogical to maintain such a proposition.

持这种主张显然是没有道理的。

This island is maintained as a sanctuary for endangered species.

那个岛继续作为濒危物种的护区。

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

要让房屋持得很好是件干不完的活。

The idea is to maintain the regularity of the heartbeat.

问题就是要维持心跳的规律性。

She maintained her serious mien until the interview was over.

直到访问结束她一直持严肃的态度。

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

该公司奋力维持其市场优势。

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

起浪时水手抓住绞盘棒以持平衡。

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。

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。