wavelengths

/ˈweɪvleŋθs/ /ˈweɪvˌlɛŋθs/

Meanings

noun

波长

The length of a single cycle of a wave, as measured by the distance between one peak or trough of a wave and the next; it is often designated in physics as λ, and corresponds to the velocity of the wave divided by its frequency.

Examples :

"Different colors of light have different wavelengths, with red light having longer wavelengths than blue light. "

不同颜色的光有不同的波长，比如红光的波长比蓝光更长。

Related Words

corresponds verb

/ˌkɔːrəˈspɑnds/ /ˌkɔːrɪˈspɑnds/

对应，相当.

"The student's test score corresponds to her performance in class. "

这个学生的考试分数与她在课堂上的表现相当。

designated verb

/ˈdezɪɡneɪtɪd/ /ˈdezɪɡˌneɪtɪd/

指定，标明

"to designate the boundaries of a country"

为了标明一个国家的边界

velocity noun

/vəˈlɒsəti/ /vəˈlɑsəti/

速度，速率。

"The car's velocity changed from 30 mph east to 40 mph west, demonstrating a change in direction. "

这辆车的速度从每小时30英里向东变为每小时40英里向西，这表明它的速度方向发生了改变。

single noun

/ˈsɪŋɡəl/

单曲唱片，细碟

"My grandfather played a single of Elvis Presley at the family gathering. "

在我家人的聚会上，我爷爷放了一张猫王埃尔维斯·普雷斯利的单曲唱片 (或者: 细碟)。

different noun

/ˈdɪf.(ə)ɹ.ənt/

差别，差异。

"My family has a different ideal for my future than I do. "

对于我的未来，我的家人和我的理想存在差别。

between noun

/bɪˈtwiːn/ /bəˈtwin/

缝针，绗针

"The seamstress used a sturdy between to create a precise, even stitch on the thick upholstery fabric. "

这位女裁缝用一根结实的绗针在厚厚的装饰面料上缝制出精准均匀的针脚。

frequency noun

/ˈfɹiːkwənsi/

频率，频度.

"The frequency of bus service has been improved from one every 15 to one every 12 minutes."

现在公交车的发车频率提高了，从原来的每15分钟一班改为每12分钟一班。

divided verb

/dɪˈvaɪdɪd/ /dəˈvaɪdɪd/

分开，分割

"a wall divides two houses; a stream divides the towns"

一堵墙把两栋房子分隔开；一条小溪把两个镇子分割开。

distance noun

/ˈdɪs.təns/

距离，路程。

"From Moscow, the distance is relatively short to Saint Petersburg, relatively long to Novosibirsk, but even greater to Vladivostok."

从莫斯科出发，到圣彼得堡的距离比较近，到新西伯利亚的距离相对较远，但到符拉迪沃斯托克的距离就更远了。

physics noun

/ˈfɪz.ɪks/

泻药，泻剂

"The doctor prescribed a physics to help her patient with indigestion. "

医生开了一种泻药来帮助她的病人消化不良。

length noun

/lɛn(t)θ/

长度，长短。

"The length of the classroom is 20 meters. "

教室的长度是二十米。

measured verb

/ˈmɛʒəd/ /ˈmɛʒɚd/

测量，衡量，度量。

"We measured the temperature with a thermometer. You should measure the angle with a spirit level."

我们用温度计测量了温度。你应该用水平仪测量这个角度。