radius
US /ˈrediəs/
・UK /ˈreɪdiəs/
B2 中高級英檢高級
n. (c./u.)名詞 (可數/不可數)(特定的)範圍
Our favorite ice cream shop is within a one-mile radius of our house
n. (c.)可數名詞半徑
The doctor said he broke his radius after falling down
n. (c.)可數名詞半徑
Mrs. Jones asked us to measure the radius of the circle
影片字幕
披薩的數學公式！🍕 (The Pizza Equation)
- were young where the area = pi-r-squared (r being the radius). If we plug in some numbers
一個圓的面積是 pi 乘上 r 的平方（r 是半徑）。假如我們代入數字
- It all comes down to the area of a circle—that equation you may have heard of when you were young—where the area is equal to πr2, r being the radius.
一個圓的面積是 pi 乘上 r 的平方（r 是半徑）。假如我們代入數字
太空十大冷知識！🪐 [第六集] (Top 10 Facts - Space [Part 6])
![太空十大冷知識！🪐 [第六集] (Top 10 Facts - Space [Part 6])](https://img.youtube.com/vi/vDq3DwxCdKo/hqdefault.jpg)
- The rings around this planet have an estimated radius of 90 million kilometers.
然而, 錄音中有很多雜音使我們難以聽到他實際上在說甚麼. 可能他
- Saturn's rings are tiny in comparison with a radius of less than 500,000 kilometers.
認為他說了 "屬於一個人" (for a man) 但意外地漏接他的句子或這句話被燥音遮掩了.
彼得·約瑟夫 - 我們現在在哪裡？ - 倫敦 2009-07-25 (Peter Joseph - Where are we now? - London 2009-07-25)
- Within a six-block radius of my apartment, there are five of these 99-cent stores.
不斷流通到另一方 以維持所謂的經濟增長
- Within a six-block radius of my apartment
在我公寓六個街口的半徑範圍內
我的10萬美元農場創業計畫真實奏效！（即時檢視） (HOW MY $100k FARM BUSINESS PLAN WORKED (real-time review))
- The list included things like friends and family, 3 to 4 really quality farmers markets in the Dallas Metroplex area, which as a side note, most successful direct-to-consumer market farmers will live within a 2-hour radius of a highly populated and somewhat affluent area.
現在，在遊戲的這個階段，就我個人而言，我列了一份清單，上面有大約 10 個不同的市場或人群，我可以把我的潛在農產品賣給這些市場或人群。
- The list included things like friends and family, three to four really quality farmers markets in the Dallas Metroplex area, which as a side note, most successful direct-to-consumer market farmers will live within a two-hour radius of a highly populated and somewhat affluent area.
這份清單包括親朋好友、達拉斯都會區三到四個真正優質的農貿市場，順便提一句，大多數成功的直銷市場農戶都居住在人口稠密、略顯富裕的地區兩小時半徑範圍內。
月球的軌道超詭異！ (The Moon's Orbit is WEIRD)
- Technically speaking, the moon is outside of the earth's Chebotarov radius, where the pull from the earth and sun are equivalent.
從技術上講，月球位於地球的切博塔羅夫半徑之外，在這個半徑內，地球和太陽的拉力是相等的。
- Technically speaking, we say the moon is inside the earth's hill radius, or hill sphere – the zone where, for practical purposes, for objects orbiting along with the earth, the earth's gravitation dominates the sun's.
從技術上講，我們說月球位於地球的山丘半徑或山丘球內--就實際目的而言，對於與地球一起運行的物體來說，地球的引力在這一區域內主宰著太陽的引力。
廣島必去五大景點！ (Top 5 Things to do in Hiroshima)
- The name Hiroshima became known worldwide on August 6, 1945, when the first atomic bomb detonated here, obliterating everything within a 2km radius.
1945 年 8 月 6 日，第一顆原子彈在廣島爆炸，方圓 2 公里內的一切都被夷為平地，廣島是以而聞名於世。
- The name Hiroshima became known worldwide on August 6, 1945, when the first atomic bomb detonated here, obliterating everything within a 2-kilometer radius.
1945 年 8 月 6 日，第一顆原子彈在廣島爆炸，方圓 2 公里內的一切都被夷為平地，廣島是以而聞名於世。
歐拉公式與群論入門！ (Euler's formula with introductory group theory)
- In general, every one of these multiplicative actions is some combination of a stretch or a squish, an action associated with some point on the positive real number line, followed by a pure rotation, where pure rotations are associated with points on this circle, the one with radius 1.
一般來說，每一個乘法運算都是拉伸或擠壓的組合，都是與正實數線上的某個點相關的運算，然後是純旋轉，其中純旋轉與這個半徑為 1 的圓上的點相關。
- And in general, every one of these multiplicative actions is some combination of a stretch or a squish, an action associated with some point on the positive real number line, followed by a pure rotation, where pure rotations are associated with points on this circle, the one with radius 1.
在整個群論中，保留算術的群間函數非常重要，以至於它們為自己贏得了一個好聽的名字--同態。
