rod

英 [rɒd]

美 [rɑːd]

n.  杆; 竿; 棒; (责打人用的)棍棒; 手枪

复数：rods　现在分词：rodding　

CET4CET6考研TOEFLTEM4TEM8化学

Collins.2 / BNC.3674 / COCA.4575

习惯用语

n.

make a rod for your own back
• 自找麻烦；自讨苦吃
  to do sth that will cause problems for you in the future
a rod/stick to beat sb with
• 用以责备或惩罚某人的事实依据（或把柄等）
  a fact, an argument, etc. that is used in order to blame or punish sb
rule (sb/sth) with a rod of iron
• 残酷统治；严厉控制
  to control a person or a group of people very severely

牛津词典

noun

• 杆；竿；棒
  a long straight piece of wood, metal or glass
  1. fishing with rod and line
     用鱼竿钓鱼
• 杆；竿；棒
  a long straight piece of wood, metal or glass
  1. fishing with rod and line
     用鱼竿钓鱼
• （责打人用的）棍棒
  a stick that is used for hitting people as a punishment
  1. There used to be a saying: ‘Spare the rod and spoil the child.’
     俗语说：“孩子不打不成器。”
• 手枪
  a small gun

柯林斯词典

• See also:...a 15-foot thick roof that was reinforced with steel rods.fishing rodlightning rod

英英释义

noun

• any rod-shaped bacterium
• a gangster's pistol
  Synonym:gat
• a long thin implement made of metal or wood
• a visual receptor cell that is sensitive to dim light
  Synonym:rod cellretinal rod
• a square rod of land
  Synonym:perchpole
• a linear measure of 16.5 feet
  Synonym:perchpole

双语例句

• John is ruled by his wife with a rod of iron.
  约翰被他的妻子严加管束。
• The Dean ruled his department with a rod of iron.
  系主任对本系的管理非常严格。
• I need a drill to make a hole for the rod.
  我需用钻在杆上钻个孔。
• The piston pin joins the piston to the connecting rod.
  活塞销把活塞和连杆毗邻起来。
• A piston links to a drive shaft by means of a connecting rod.
  活塞通过连杆与驱动轴相连。
• The catalyzing device is provided with a catalyzing pipe and a vortex catalyzing screw rod.
  催化装置在于有一个催化管和涡流催化螺杆。
• The sensor is very robust, the body and push rod being made of stainless steel.
  该传感器是非常稳健，身体和推杆是由不锈钢制成。
• He welded the broken rod.
  他把断了的棒子焊接了起来。
• If we bend a rod, it bends.
  如果我们弯曲一个杆，它会弯曲。
• The connecting rod is attached to the piston by the piston pin.
  连杆与活塞的连接是采用活塞销。