2767.singer(名)歌手
People besieged tha singer.
人們圍住了那名歌手。

2768.single(形)唯一的；單身的
The child was the single survivor of the aircrash．
這孩子是那次空難中的唯一幸存者。

2769.singular(形)單數的
"One boy" is singular，two boys" is plural.
“一個男孩”是單數，“兩個男孩”是復數。

2770.sir(名)先生
May I help you,sir?
先生，有什么需要我幫忙的嗎？

2771.sister(名)姊妹
She was a sister to him.
對他來說，她像妹妹一樣。

2772.sit(動)坐
不規則變化sat, sat
I'd rather sit in the circie than in the stalls.
我寧可坐樓廳也不要坐正廳前排。

2773.site(名)地點、場所
The construction site of a new school was a hive of activity.
這所新學校的建筑工地上一片繁忙的景象。

2774.six(形)六的
It iS six of one and half a dozen of the other.
半斤八兩。

2775.sixteen(形)十六的
The building is sixteen meters tall.
這樓房16米高。

2776.sixteenth(形)第十六的
My parents lived on the sixteenth floor.
我的父母親住在十六層樓上。

2777.sixth(形)第六的
I always believe my sixth sense．
我總相信我的直覺。

2778.sixty(形)六十的
She is sixty.
她六十歲了。

2779.size(名)尺寸；才氣
The two books were the same size.
這兩本書一樣大小。

2780.ski(動)滑雪
No one here can ski.
這里沒人會滑雪。

2781.skill(名)技巧
Reading and writing are diferents skills.
閱讀和寫作是不同的技能。

2782.skilled(形)有技巧的
She was skiiled enough in French to translate a novel.
她精通法語，足以翻譯小說。

2783.skillful(形)巧妙的，熟練的
A smooth sea never makes a skillful mariner.
平靜的大海造就不出熟練的水手。

2784.skin(名)皮膚
You can make shoes from the skins of animals.
你可以用動物的皮做鞋子。

2785.skinny(形)皮包骨的，消瘦的
You're skinny enough without going on a diet.
你不必節食就已經夠瘦了。

2786.skirt(名)裙子
Your short skirt is inappropriate for a formal party.
你穿這條短裙去參加正式晚會是不恰當的。

2787.sky(名)天空
There were no clouds in the sky.
天空萬里無云。

2788.sleep(動)睡
不規則變化slept, slept
I slept very badly last night．
昨天夜里我睡得很不好。

2789.slow(形)緩慢的、遲緩的
反義詞fast
Einstein was said to be a rather slow learner in his boyhood.
據說愛因斯坦小時候學習遲緩。

2790.slowly(副)慢慢地
Negotiations were going slowly.
談判進行得很緩慢。

2791.small(形)小的：微量的
反義詞vast
Jack is very small for his age.
按他的年齡來說，杰克的個子顯得太小了。

2792.smaller(形)較小的
反義詞larger, vaster
My book is smaller than yours.
我的書比你的小。

2793.smart(形)聰明的
反義詞Stupid
It is easy to teach smart studants.
教聰明伶俐的學生很輕松。

2794.smell(名)氣味
The smell of garlic filled the kitchen.
廚房里彌漫著大蒜的味道

2795.smile(動)微笑
She smiled when she saw me.
她看見我時露出微笑。

2796.smoke(名)煙(動)抽煙
(名):There is no smoke without fire.
無風不起浪。
(動):Don't smoke too much.
別抽太多煙。

2797.snack(名)點心
She fixed us a snack.
她為我們準備了點心。

2798.snail(名)蝸牛
Snails and octopuses are molluscs．
蝸牛和章魚是軟體動物。

2799.snake(名)蛇
The child was frightened by the snake.
這小孩被蛇嚇了一跳。

2800.snow(名)雪(動)下雪
(名):Snow covered the ground.
雪覆蓋著大地。
(動):lt's snowing now.
現在正在下雪。

2801.snowy(形)多雪的
The snowy waather lastad the whole time when we were there．
我們在那里的整個期間一直都是下雪的天氣。

2802.so(連)所以
The manager was ill so I went in her place.
經理病了所以我代她去。