词典释义：
a crustacean with a broad carapace, stalked eyes, and five pairs of legs, the first pair of which are modified as pincers. Crabs are abundant on many shores, especially in the tropics where some have become adapted to life on land.
蟹。
[mass noun]the flesh of a crab as food
蟹肉。
(
（黄道十二宫的）巨蟹宫；巨蟹星座。
(亦作
阴虱。
(
〈非 正式〉 阴虱（寄生）病。
a machine for picking up and lifting heavy weights
起重机，绞车，吊车。
[no obj., with adverbial of direction]move sideways or obliquely
横行，作蟹行
-
he began crabbing sideways across the roof .他开始横着走过屋顶。
[with obj.]steer (an aircraft or ship) slightly sideways to compensate for a crosswind or current
（遇到侧风或水流、气流时）使（飞机或船）作航向偏流修正。
[no obj.]fish for crabs
捕蟹，捉蟹。
short for
<Bold><Bold>CRAB APPLE</Bold></Bold>的简称。
(
（多指为小事）抱怨，发牢骚
-
on picnics, I would crab about sand in my food .野餐时，我会为食物中有沙子而抱怨。
[with obj.]act so as to spoil
破坏；干扰；扰乱
-
you're trying to crab my act .你在试图破坏我的事。
-
catch a crab Rowing effect a faulty stroke in which the oar is jammed under water or misses the water altogether 【赛艇】 失一桨（指划得过深或划空）
"Old English
