1/60 of a minute; the basic unit of time adopted under the Systeme International d'Unites
an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)
the cardinal compass point that is at 180 degrees
a unit of conductance equal to the reciprocal of an ohm
the 19th letter of the Roman alphabet
(thermodynamics) a thermodynamic quantity representing the amount of energy in a system that is no longer available for doing mechanical work;
"entropy increases as matter and energy in the universe degrade to an ultimate state of inert uniformity"
例句
用作名词 (n.)
In English, the `s' in `sip' and the `z' in `zip' represent two different phonemes. 英语中sip中的s和zip中的z为两个不同的音素。
Why is a sewing machine like the letter “S”? 为什么缝纫机像字母S？
Most plural nouns in English end in "s". 英语的复数名词多以“s”结尾。
美
[es]
