Beam
[ bim ]
第2级
其它 Other
n. 梁，栋梁;束;光线;（电波的）波束;
vi. 发出光与热;面露喜色;
vt. 播送;以梁支撑;用…照射;流露;
vt.& vi. 笑容满面，眉开眼笑;发射电波，播送;放出束状的光（或热）;
📝 例句
The high intensity of a laser beam makes it a convenient drill.
激光束的强度极高，这就使它成为一种方便的钻孔工具。
The beacon beckoned to the pilot, the beam pointed to the target.
定向信标指挥驾驶员，射束则指向目标。
Advertisers beamed their messages to fashionable female audiences.
广告商们以赶时髦的女性作为宣传的对象。
The light beam can be steered more accurately than a mechanical cutter.
这种光束比机械切削器能运转得更为精确。
Changes in the beam intensity will produce changes of the count rate.
电子束强度变化将引起计数率的变化。
🌱 联想助记
【串】team(队里)的beam(横梁)有seam(裂缝)
【记】※ beam-光束,bean-豆:听说过一束月光下三颗神豆的故事吗
※ b-似数字“6”,e-拼音“鹅”,am-上午:6只鹅上午带来了横梁
※ be-是,a-一,m-似“山”:站平衡木这种事对一个残疾人来说简直是一座大山
✅ 同义词
🔴 反义词
📖 牛津释义
beam
n
1 long piece of wood, metal, concrete, etc, usu horizontal and supported at both ends, that carries the weight of part of a building or some other structure 梁.
2
(a) any of the horizontal cross-timbers of a ship, joining the sides and supporting the deck 船梁（船上连接两舷并支撑甲板的横木）.
(b) breadth of a ship at its widest part 船宽（船身最宽部分的距离）.
3 horizontal bar of weighing-scales from which the pans hang 衡器上悬吊秤盘的横杆. =>illus at scale 见scale之插图.
4 ray or stream of light or other radiation (eg from a lamp or a lighthouse, the sun or the moon) （灯、灯塔、日月等的）光线、光束或其他射线
the beam of the torch, searchlight, etc 手电筒、探照灯等的光束
The car's headlights were on full beam, ie not dipped to avoid dazzling other drivers. 那辆汽车的前大灯都开著（未能为防止将其他司机眼睛照花而放低前大灯）.
5 bright and happy look or smile 欢快的表情; 微笑
a beam of pleasure 一丝笑容.
6 series of radio or radar signals used to guide ships or aircraft （为船只或飞行器导航的无线电或雷达的）信号流.
7 (idm 习语) broad in the beam => broad1. off (the) `beam (infml 口) mistaken; wrong 错误的; 不对
Your calculation is way off beam. 你的计算大错特错. on the `beam (infml 口) on the right track; correct 正确的; 对. beam, v
1
(a) [I] (of the sun, etc) send out light and warmth （指太阳等）发光, 发热.
(b) [I, Ipr] ~ (at sb) smile happily and cheerfully 愉快地微笑
The winner beamed with satisfaction. 获胜者满意地笑了.
2 [Tn, Tn.pr]
~ sth (to...) (from...) broadcast (a message, television programme, etc) 播送（消息、电视节目等）
The World Cup Final was beamed live from Britain to Japan. 世界杯决赛从英国向日本作了实况转播.
🎯 考研助记
闭目（谐音）：光束强得 闭目 be+am:动词中的两个 顶梁柱 网友：yqy 补充：team、beam，都是一条条的
🔁 扩展释义
*[bi:m]n. 横梁, 杆, 光线, 容光焕发vi. 用梁支承, 微笑, 射出光线vt. 照耀, 感到欣喜【计】 束【医】 束, 柱, 梁架(牙)相关词组: on the beam on one's beam-ends off the beam
🏥 医学释义
①波束，光束 ②柱，卷轴
📖 同为「CET-4」词汇
查看全部CET-4词汇 ›🗣️ 情景例句
And when do you take your next exams?
还有，你什么时候参加下次考试？
That sounds interesting. That was a hundred years ago, wasn't it?
听起来很有意思。那是一百年前的事了，不是吗？
What was the problem with this method?
这种方法有什么毛病吗？