a beam of light什么意思解释？

Reflection of a beam of light on the diaphragm falls on a phototransistor.经膜片反射的光束照射到光敏管上.A beam of light produced by a laser can weld metals.激光器发生的光束可以焊接金属.A beam of light produced a laser can weld metals.激光器发生的光束可以焊接金属...

a beam of light的音标：a beam of light的英式发音音标为：[ə bi:m ɔv lait]a beam of light的美式发音音标为：[e bim ʌv laɪt]...

indulin的音标：indulin的英式发音音标为：[ɪnd'ju:lɪn]indulin的美式发音音标为：[ɪnd'julɪn]...

colalloy的音标：colalloy的英式发音音标为：['kəʊləlɔɪ]colalloy的美式发音音标为：['koʊləlɔɪ]...

n.证件，凭证，收据，证人...

whiten的音标：whiten的英式发音音标为：['waɪtn]whiten的美式发音音标为：['waɪtn]...

Aswandam的音标：...

At last the climbers succeeded in conquering the difficult mountain.登山队员们终于成功地征服了这座难以攀登的山峰.The long - cherished dream of conquering the Huanghe River will become a reality.征服黄河的梦想将会成为现实.In the wake of developments in sci...

A volley of bullets ripped into the facing wall...一排子弹射进对面的墙上。Their minibus was ripped apart by a bomb...他们的面包车被炸弹炸得粉碎。She ripped off her dress and let it fall to the floor.她一把扯下连衣裙，任其滑落到地上。A violent streak of pain rippe...

"Gratification" and "gratitude" have the same etymological root.gratification和gratitude的词源相同。The etymological closeness of the Sanskrit and English words is striking.梵语和英语的词源的连结性是如此地惊人.But the Chinese have often ignored ...

adj.（声音）减弱的，变得轻柔的； （尤指感情的表达）缓和的，温和的...

“贴花”的拼音为：tiē huā...

discipline的第三人称单数（三单）为：disciplines...

偶然地，意外地...

人的手掌是微凹的.The palm of one's hand is slightly concave.我们判定它是拟凹的.We conclude that it is quasi - concave.目的探讨先天性耳前瘘管及先天性耳后小凹的发生部位 、 并发症及遗传规律.Objective To explore position, complications and genetic rule of the CPF and P...

adapt的近义词/同义词有：make, change, fit, alter, vary, adjust, suitable, modify, mobilize, differentiate, acclimate, adjust, modify, arrange, shape, vary, alter, harmonize, qualify, change, coordinate, accommodate。vt.adapt的近义词（修...

cinch的第三人称单数（三单）为：cinches...