shielded

基本解釋

Some cables are shielded while others are not.
一些電纜有屏蔽，而另一些沒(méi)有。
But I have never shielded my children from these struggles.
但我從不讓我的孩子逃避這類(lèi)掙扎。
Shielded from the buffeting of the solar wind, ions quietly leak out of the atmosphere.
在那里沒(méi)有來(lái)自于太陽(yáng)風(fēng)的沖擊，離子則安靜地泄漏出大氣層。

They're less shielded because they're closer to the nucleus, they feel a greater z effective.
它們受到少的屏蔽,因?yàn)樗鼈冸x原子核更近，它們感覺(jué)到一個(gè)更大的有效電荷量。
麻省理工公開(kāi)課 - 化學(xué)原理課程節(jié)選
A kind of consequence of this is if we're thinking about a multi-electron atom, which we'll get to in a minute where electrons can shield each other from the pull of the nucleus, we're going to say that the electrons in the s orbitals are actually the least shielded.
這樣的一個(gè)后果就是,如果我們考慮一個(gè)多電子原子，我們等會(huì)就會(huì)討論到它,電子會(huì)互相,屏蔽原子核的吸引，我們說(shuō)ｓ軌道電子,更不容易被屏蔽。
麻省理工公開(kāi)課 - 化學(xué)原理課程節(jié)選
And for the s electron, since it can get closer, what we're going to see is that s electrons are actually less shielded than the corresponding p electrons.
對(duì)于s電子，因?yàn)樗梢噪x得更近，我們可以看到s電子事實(shí)上,相對(duì)于p電子受到,更少的屏蔽。
麻省理工公開(kāi)課 - 化學(xué)原理課程節(jié)選

The biggest state-owned firms are often big only because they are shielded from competition.
ECONOMIST: Traditional listed firms are facing competition

Something or someone which is a shield against a particular danger or risk provides protection from it.
If something or someone shields you from a danger or risk, they protect you from it.
If you shield your eyes, you put your hand above your eyes to protect them from direct sunlight.
A shield is a large piece of metal or leather which soldiers used to carry to protect their bodies while they were fighting.
A shield is a sports prize or badge that is shaped like a shield.