1. 未保护的、无屏蔽的：Unload 减负荷 UMe@[E= | Unprotected 未保护的、无屏蔽的 23a&m04Rk | Up 向上 y@!kp*0

2.

2. 无保护的：unpropped 未支撑的 | unprotected 无保护的 | unprotectedfield 非保护域

3. 没防护的：unprotected goods 无包装的货物 | unprotected 没防护的 | unqualified confirmation of term of transaction 交易条件的绝对确认

4. 无保护：unprosperous 不茂盛的 | unprotected 无保护 | unprovided 无供给的

1. （人或地方）未受保护的，未设防的
    An unprotected person or place is not looked after or defended, and so they may be harmed or attacked.

    e.g. The landing beaches would be unprotected.
           登陆的海滩可能没有设防。

2. 暴露在外的；易受损的
    If something is unprotected, it is not covered or treated with anything, and so it may easily be damaged.

    e.g. Exposure of unprotected skin to the sun carries the risk of developing skin cancer...
           皮肤没有采取任何防晒措施就在太阳下曝晒的话有得皮肤癌的危险。
    e.g. This leaves fertile soil unprotected and prone to erosion.
           这会让肥沃的土壤暴露在外，使其容易受到侵蚀。

3. 未用避孕套的；无防护的
    If two people have unprotected sex, they do not use a condom when they have sex.

1. lacking protection or defense