vt.

1. 抵达，到达；达到
   When will they reach Los Angeles?

   他们什么时候抵达洛杉矶？

2. 伸出（手）；伸手及到，够到
   He reached his hand out for the book I offered him.

   他伸出手来接我给他的书。

3. 延伸到；（声音）传到[W]
4. 把……递来[O1]
5. 与……取得联系
   We tried to reach them by cable.

   我们试着用电报跟他们联络。

6. （炮火）射及；击中

vi.

1. 伸出手（或脚）[Q]
   She reached up and picked a pear off a branch.

   她抬手从一根树枝上摘下一只梨。

2. 达到，及到；延伸[W]
   The speaker's voice couldn't reach to the back of the auditorium.

   演讲人的声音传不到礼堂后排。

3. 伸手去拿，伸肢体去取[Q][（+for）]
4. 努力争取；竭力想得到[Q]

n.

1. （手、能力、智力、影响等）可及之范围[U][（+of）]
   The insecticide was put out of the child's reach.

   杀虫剂放在孩子拿不到的地方。

2. 手臂长度[S]
3. （江、河的）一段流域；地带；大片地区[C]
   the upper reaches of the river

   河的上游地区

v.

1. stretch out an arm in order to touch or grasp something.
   ▸ (reach something out) stretch out one's hand or arm.
   ▸ (reach something down) stretch upwards to pick something up and bring it to a lower level.
   ▸hand (something) to.
2. be able to touch (something) with an outstretched arm or leg.
3. arrive at or attain; extend to:
   unemployment reached a peak in 1933.
4. succeed in achieving.
5. make contact with.
6. (of a broadcast or other communication) be received by.
7. succeed in influencing or having an effect on.
8. Sailing  sail with the wind blowing from the side.

n.

1. an act of reaching.
2. the distance to which someone can stretch out their hand (used especially of a boxer).
3. the extent or range of something's application, effect, or influence.
4. (often reaches) a continuous extent of water, especially a stretch of river between two bends.
5. Sailing  a distance traversed in reaching.