防护的英文：
defend and preserve

参考例句：

Overly protective.
过度防护的

The construction workers wore metal helmets for protection.
建筑工人为了防护而带金属头盔。

Plate armor worn to protect the front of the thigh.
护腿甲为防护大腿前部而穿戴的铠甲

Respiratory Protection：Where the potential for overexposure exists, use a MSHA/NIOSH approved supplied-air respirator
呼吸系统防护:存在过量接触风险时，可佩带经MSHA/NIOSH批准的自给式呼吸器。

Generally any garment that is fully lined will have its inner construction protected and not require seam finishes.
一般来讲,全衬里的衣服受到内结构的防护,无需处理缝份。

Such laboratories are designed and equipped for physical containment and are posted with biohazard warning symbols
这样的实验室是为了物理防护措施而设计与装备的，而且贴出生物危险警告标志。

protection against electromagnetic irradiation
电磁辐射防护

Defensive armor
防护用铠甲

Ear protection this area
请戴防护耳罩

Use guards
请使用防护装置

defend是什么意思：
v. 保卫某人、某事物；为支持某人、某事而行动、说话或写文章；‘防守；参加卫冕的比赛

The judge find for the defendant
法官裁决对被告有利

The judge find for the defendant.
法官裁决对被告有利。

It is a scandal that the defendant was declared innocent.
宣判被告无罪，这真是可耻的事。

We consider that the defendant is not guilty.
我们认为被告无罪。

Defend yourself with your right.
要用右手护卫自己。

preserve是什么意思：
v. 保护；保存；维持；腌
n. 蜜饯；保护区；禁猎地

To make into a confection or preserve.
把…制成甜食或罐头

It did not canned or otherwise preserved.
它没有装罐或者用其他的方法保藏。

I preserved ginger in syrup.
我用糖浆腌制姜。

Here is some fruit preserve.
这儿有些水果蜜饯。

No hunting is allowed in the preserve.
在禁猎区内不许打猎。