n. [a close-fitting cover for a knife or blade, or a tube-shaped structure that wraps around for protection, or a close-fitting dress.]
ps. scabbard (p.420)
v. [to put into a sheath or scabbard]
n. [A shed is a small building that is used for storing things such as garden tools.]
ps. may from shade
v.脫落﹑ 剝落 [lose (sth) by its falling off]
ex. 流出 water or liquid： shed a tear.
ex. 發出光、聲音、香味： The lamp shed soft light on the desk.
ex. 落葉、落髮、落皮： The snake sheds its skin regularly.
to shed light on = to reveal something about something; to clarify something.
adj.完全的 [complete; thorough; utter ]
ex. a sheer waste of time
adj. [extending down or up very steeply; almost completely vertical]
adj. [transparently thin; diaphanous(p.146), as some fabrics]
ex. sheer stockings.
v.猛然一轉 [to deviate from a course, as a ship; swerve.]
ex. She tends to sheer away from any discussion of her divorce.
n. [a hard covering on the outside of something.]
ex. egg shell, sea shell, fruit shell
ps. Shell Oil Company
ps. shell script
v. [remove the shell of (sth)]
n. [a structure built to give protection, from rain, wind or attack; refuge]
ex. an animal shelter
ex. a shelter for homeless people
n. [condition of being protected, kept safe]
ex. to get under shelter when bombs are dropping during an air-raid.
v. [to give shelter to sb/sth; to protect ]
v. [to place on a shelf]
v. [to put off or aside from consideration]
ex. to shelve the question.
from shelf n.書架, 複數為shelves
continental shelf (大陸棚)
n. (in the US) the chief law-enforcement officer in a county: popularly elected, except in Rhode Island
ps. 在美國，sheriff是是一個county中最高的執法長官，依照每州規定不同，sheriff有不同的職務。sheriff 是要由民眾選出的(來自於英國的傳統)，職務有像是保護法院的安全，犯人的運送，或者是到處巡邏。
Etymology: sheriff 是來自於"shire reeve"的縮寫，reeve是指代表國王而保護一個郡和平的長官，shire是指郡的意思。
n.盾 [a broad piece of armor, varying widely in form and size, carried apart from the body, as a defense against swords, lances, arrows, etc.]
ps. aegis (p. 13) 是古希臘神話中的神盾，據說有兩面，一面為宙斯所有，而另一面為雅典娜所有
ps. wind shield
(Related to shell in etymology)
n. [being resourceful, fertile in expedients; being tricky]
ps. shift v.改變位置或方向, 轉移
ex. shift --> change the gear。在keyboard上也有這個鍵唷
adj. [lacking the will or ability to do or accomplish; incapable, inefficient, lazy, etc.]
ex. Unless you are a shiftless person, you're probably going to have to e-mail someone more important than you during the course of your lifetime. (from CNN)
n. [small, flat, square or oblong piece of wood used as a covering on roofs and walls]
n. [a small signboard, especially as hung before a doctor's or lawyer's office.]
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adj.井井有條的 [in good order; well-arranged; trim or tidy.]
ps. 這個字原本是用於航海上的，因為在船上的空間很小，所以會要求船員把工作的地方弄的很整齊，這樣才能有足夠的空間。 不過這個字不多人使用。
v. [to evade (work, duty, responsibility, etc.).]
ex. to shirk one's responsibity
ps. 在伊斯蘭教，Shirk指的是多神論或偶像，就是不認為阿拉是唯一的神。Within Islam, shirk is an unforgivable crime when unpardoned before death; God may forgive any sin if one dies in that state except for committing shirk
n. [a place where a sea, river, or other body of water is shallow.]
n. [a sandbank or sand bar in the bed of a body of water, especially one that is exposed above the surface of the water at low tide.]
v. [to become shallow or more shallow.]
n. [a school of fish.]
(p.421) from wiki: In biology, any group of fish that stay together for social reasons are shoaling
adj. [of poor quality or inferior workmanship]
ex. a crucial typo and some shoddy referencing.
ex. Sen. Risch: FBI investigation into Tamerlan Tsarnaev was 'not shoddy work'.
v. [send forth suddenly, intensely, swiftly]
ps. p.t p.p shot
ex. The volcano shot lava high into the air.
ex. He shot a smile at his wife.
ps. shooting guard.(SG)
v. [produce buds, branches]
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