名詞 crab:

1. decapod having eyes on short stalks and a broad flattened carapace with a small abdomen folded under the thorax and pincers
2. a quarrelsome grouch
   同義詞：crabby person
3. (astrology) a person who is born while the sun is in Cancer
   同義詞：Cancer
4. the fourth sign of the zodiac; the sun is in this sign from about June 21 to July 22
   同義詞：Cancer, Cancer the Crab
5. the edible flesh of any of various crabs
   同義詞：crabmeat
6. infests the pubic region of the human body
   同義詞：crab louse, pubic louse, Phthirius pubis
7. a stroke of the oar that either misses the water or digs too deeply

動(dòng)詞 crab:

1. direct (an aircraft) into a crosswind
2. scurry sideways like a crab
3. fish for crab
4. complain
   同義詞：gripe, grouse, beef, squawk, bellyache, holler

1. It was his misfortune to catch a crab in the last spurt.
   他真倒霉，到了最后一剎那竟有一槳沒劃好。
2. A crab louse.
   毛虱，陰虱
3. A crab burger, a tofu burger.
   蟹肉三明治; 豆腐三明治

crab

n.（名詞）

Any of various predominantly marine crustaceans of the division Brachyura within the order Decapoda, characterized by a broad, flattened cephalothorax covered by a hard carapace with a small abdomen concealed beneath it, short antennae, and five pairs of legs, of which the anterior pair are large and pincerlike.
蟹：任一種數(shù)量占多數(shù)的海洋甲殼綱十足目短尾亞目動(dòng)物，特征是生有一個(gè)上有硬殼蓋住的寬而扁平的頭部，下有一個(gè)腹部隱藏在內(nèi)，有很短的觸角和五對(duì)腳，其中前面的那對(duì)較大且呈鉗狀
Any of various similar related crustaceans, such as the hermit crab or the king crab.
寄居蟹：任一種與其類似的甲殼綱動(dòng)物，例如寄居蟹或蜘蛛蟹
A horseshoe crab.
鱟

A crab louse.
毛虱，陰虱
crabs Slang Infestation by crab lice.
crabs 【俚語】 虱?。河申幨瓕?dǎo)致的感染
The maneuvering of an aircraft partially into a crosswind to compensate for drift.
飛機(jī)側(cè)航：部分操縱飛行器使之進(jìn)入逆風(fēng)以抵消滑行
A machine for handling or hoisting heavy weights.
起重機(jī)：一種處理或升起重物的機(jī)器
v.（動(dòng)詞）
crabbed,crab.bing,crabs
v.intr.（不及物動(dòng)詞）
To hunt or catch crabs.
捉蟹或捕蟹
To scurry sideways in the manner of a crab.
象蟹似地橫行
To drift diagonally or sideways.
斜向飄流，橫向飄流
To direct an aircraft into a crosswind.
使飛機(jī)作航向偏流修正
v.tr.（及物動(dòng)詞）
To direct (an aircraft) partly into a crosswind to eliminate drift.
使（飛機(jī)）作航向偏流修正以防飄流
To cause to move or scurry sideways.
使橫行

<習(xí)慣用語>catch a crab
To strike the water with an oar in recovering a stroke or miss it in making one while rowing.
失一槳：用一槳?jiǎng)澦?，用以恢?fù)劃水或劃船時(shí)失去一槳
來源：
Middle English crabbe
中古英語 crabbe
from Old English crabba * see gerbh-
源自 古英語 crabba *參見 gerbh-

【引伸】
crabber
n.（名詞）

---------------另--------------
crab
crab 2

n.（名詞）
A crab apple tree or its fruit.
歐洲蘋果樹，歐洲蘋果
A quarrelsome, ill-tempered person.
愛爭(zhēng)吵的人，壞脾氣的人
v.（動(dòng)詞）
crabbed,crab.bing,crabs
v.intr.Informal （不及物動(dòng)詞）【非正式用語】
To find fault; criticize someone or something.
批評(píng)，抱怨：找茬；責(zé)備某人或某事
v.tr.（及物動(dòng)詞）
Informal To interfere with and ruin; spoil.
【非正式用語】 對(duì)…挑剔；抱怨
Informal To find fault with; complain about.
【非正式用語】 干擾并毀壞；破壞
To make ill-tempered or sullen.
使生氣，使不高興

來源：
Middle English crabbe
中古英語 crabbe
possibly from crabbe [crab (shellfish)] * see crab
可能源自 crabbe [蟹（水生貝殼類動(dòng)物）] *參見 crab

【引伸】
crab.ber
n.（名詞）