.x，x是什么意思，含义，中文翻译，x怎么读，音标
- n. Xs或X's；X级**，**（十八岁以下儿童不得观看）；未知数；英语字母中的第二十四个字母
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x是什么意思
n. 未知数
[计] 交换, 变址, 索引, 传输
n. the 24th letter of the Roman alphabet
英文词源
- X
- The entire entry for X in Johnson's dictionary (1756) is: "X is a letter, which, though found in Saxon words, begins no word in the English language." Most English words beginning in -x- are of Greek origin or modern commercial coinages. East Anglian in 14c. showed a tendency to use -x- for initial sh-, sch- (such as xal for shall), which didn't catch on but seems an improvement over the current system. As a symbol of a kiss on a letter, etc., it is recorded from 1765. In malt liquor, XX denoted "double quality" and XXX "strongest quality" (1827).
Algebraic meaning "unknown quantity" (1660 in English, from French), sometimes is said to be from medieval use, originally a crossed -r-, in that case probably from Latin radix (see root (n.)). Other theories trace it to Arabic (Klein), but a more prosaic explanation says Descartes (1637) took x, y, z, the last three letters of the alphabet, for unknowns to correspond to a, b, c, used for known quantities.
Used allusively for "unknown person" from 1797, "something unknown" since 1859. As a type of chromosome, attested from 1902 (first so called in German; Henking, 1891). To designate "films deemed suitable for adults only," first used 1950 in Britain; adopted in U.S. Nov. 1, 1968. The XYZ Affair in American history (1797) involved French agents designated by those letters. - x (v.)
- "cross out with an 'X'," 1942, from X.
双语例句
- 1. I had to go back for my checkup; they'd lost my X-rays.
- 我得回去再做一次体检。他们把我的X光片弄丢了。
来自柯林斯例句
- 2. A stupid medical clerk had slipped the wrong tab on his X-ray.
- 一个蠢笨的医护人员一不留神在他的X光片上贴错了标签。
来自柯林斯例句
- 3. X-rays have confirmed that he has not broken any bones.
- X光片证实他没有骨折。
来自柯林斯例句
- 4. The airline had been screening baggage on X-ray machines.
- 该航空公司已采用X光机对行李进行安全检查。
来自柯林斯例句
- 5. They took my pulse, took my blood pressure, and X-rayed my jaw.
- 他们给我量了脉搏、血压，还给我的下颌拍了X光片。
来自柯林斯例句
x的用法和例句：
1. X twenty five shows code six with x thirteen.
X25向X13说明状况6
2. X twenty five shows code six of x nine.
X25组展示X9组6号状况
3. Start simple with x plus three times x plus two.
从简单的开始 x加3乘x加2
4. X, we've been on operations a while now.
X 我们已经执行了一段时间的任务了
5. For some x's and o's on a virtual highway.
虚拟高速路上乱七八糟的符号吗
6. Then you should x ray him to get a clear view of it.
那你就应该给他做X光 看的更清楚点
7. No unnecessary labs, x rays or consults.
不要额外的化验 X光或者会诊
8. They found her in this triple x theater on ashland.
他们在阿什兰的三X**院找到的她
9. Transporting that much heroin is a class x felony.
运输那多么**他面临630年刑期
经典诗词赏析
《送汪仲安之长沙藩理官》
明代 · 李攀龙
三楚风流总帝乡，兰台池馆汉诸王。官贫舞袖旋应拙，老去长裾曳不妨。
授简春阴生岳麓，开樽秋色动潇湘。从来此地多才子，吊屈还看有和章。
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