protect 高考四级六级

The target compound was synthesized from N-benzyl protected aminoacetophenone through hydrogenation,benzoylation and reduction.

以氮-苄基保胺基酮为原料，经氢化，苯甲酰化，还原三步合成双苯甲酰沙丁胺醇酯。

These trees will shield off arid winds and protect the fields.

这些树能挡住旱风, 保农田。

It reacts action to protect affuse valve,to ensure affuse and capper positional veracity.

该装置应用于灌装机上 ,对保灌装阀和保证灌装位置的准确性起到积极的作用。

Police officers threw a cordon around his car to protect him.

警察在他汽车周围设置了以保他。

Citrus growers were cautioned to protect the fruit from frost.

种柑橘者受到霜保橘的劝告。

These tree belts effectively protect the farmland against shifting sand.

这些林带有效地保了农田,使之免受流沙侵袭。

The Act protects all unbranded horses and burros on public lands from capture.

这个法令保公共土地的所有野生马与毛驴免遭捕获。

A bicycle cape will protect you in wet weather.

自行车雨披可以使你在雨天骑车也不致淋湿。

Dikes protected the lowland from incursions of the sea.

堤保低地免于海水流入。

To protect the power component of electric welding machine,overtension and undertension protection are circuit designed.

为保焊机的功率器件设计了过压欠压电路。

He will want to protect, please and idolise her.

他会心甘情愿地保、取悦和崇拜她。

I was doing everything I could to nourish and protect the baby.

我尽我所能地养育和保这个婴儿。

At low temperatures, the nonfreezing fluid protects the solar collectors and related piping from bursting.

在低温时，不冻结气体保太阳能收集器和相关管道以免爆裂。

It's disbennifit to become protected film if change the velocity of flow frequently.

频繁改变水的流速不利于在冷却器材料表面形成保膜，而保膜对于腐蚀是至关重要的。

Skiers wear goggles to protect their eyes from the sun.

滑雪者都戴上目镜使眼睛不受阳光伤害。

A line of forts was built along the border to protect the country against attack.

在边界沿线修筑了堡垒以保国家免受攻击。

The grating protected a window in the men’s room.

格栅着男厕所的一扇窗子。

Our infantry was protected by a curtain of artillery fire.

我们的步兵在炮兵火力掩之下。

The First Amendment has a penumbra where privacy is protected from governmental intrusion.

第一修正案在个人隐私不受政府侵犯方面较为模糊。

Antibodies in breast milk protect babies against infection.

母乳中所含的抗体可以保婴儿免受感染。