a heat shield 热屏。 be sb.'s shield and buckler 充当某人的保护者。 both sides of the shield 1. 盾的正反两面。 2. 事物的表里。 S- of David 大卫王的盾牌〔犹太教的六芒星形标志〕。 the other side of the shield 1. 盾的反面。 2. 问题[事情]的另一面。 vt. 1.用盾挡住;防护;防御;保护;屏蔽。 2.庇护;掩盖。 3.挡开;避开。 shield a country from invasion 保护一个国家不受侵犯。 Officials shield one another. 官官相护。 vi. 1.起盾的作用;起保护作用;防御。 2.充当保护者。
Blazoned on his shield were the two lambs and the lion, the traditional coat of arms of his family . 他的盾上绘制着两只羔羊和一头狮子,这是他们家族传统的盾形纹章。
It is for this reason that hydrogen, e. g. as water, is an important constituent of neutron shields . 由于这一缘故,氢(例如水)便成为中子屏蔽体的一个重要组成部分。
There were just two faces to the shield of life from the point of view of his peculiar mind-strength and weakness . 在他特殊的头脑看来,人生的盾牌有两方面--强和弱。
Every nucleus lives in splendid isolation, shielded from the rest of the world by its own encircling electrons . 绕核旋转的电子都使每个原子核同世界的其余部分屏蔽开来。
In general, concrete or damp earth would represent a fair compromise for neutron, as well as for gamma-ray, shielding . 一般说,混凝土或湿土是护防中子和射线的相当满意的防护体。
The reaction proceeds more smoothly if the round-bottom flask is shielded from draughts by being placed in an empty beaker . 如果圆底烧瓶置于空烧杯中,则可屏蔽气流使反应进行平稳。
With outer-race rotation the shields must be carefully gasketed to prevent lose of oil due to centrifugal force . 当外圈转动时,护板必须注意密封,以免由于离心力而造成润滑油的损耗。
An account of the incident was sent to kate by the headmistress, and kate admired eve's loyalty in shielding her sister . 校长把事件的报告送给凯特看,她对伊芙为妹妹遮丑,十分赞赏。
The earth is a spacecraft too, our atmosphere acting as a shield against harmful radiation and space debris . 地球跟宇宙飞船完全一样,其周围的大气对有害的辐射和宇宙碎片起到防护作用。
Some regions, such as the great shield areas of north america and europe, are virtually free of devastating earthquakes . 有些地区,好象北美和欧洲的大地盾区,实际上是没有破坏性地震的。
hard outer covering or case of certain organisms such as arthropods and turtles 同义词:carapace, shell, cuticle,
armor carried on the arm to intercept blows 同义词:buckler,
a protective covering or structure
protect, hide, or conceal from danger or harm 同义词:screen,
hold back a thought or feeling about; "She is harboring a grudge against him" 同义词:harbor, harbour,
百科解释
A shield is a type of personal armor, meant to intercept attacks, either by stopping projectiles such as arrows or redirecting a hit from a sword, mace or battle axe to the side of the shield-bearer.