村级综治维稳制度版面:The dog ran quickly to the card，picked it up by its mouth.

by在这里是表示的以什么什么的方式

in表示的是一种状态,在口中.

不，一个是状态，一个是动作

不一样的

这个应该在picked 前面加个and,用连词连接两个句子,表明动作的先后顺序.这个是很容易被忽视的.

BY can be used in English in many ways.
(source http://www.websters.com)
1. As a preposition:

Pronunciation: 'bI, before consonants also b&
Function: preposition
1 : in proximity to : NEAR <standing by the window>
2 a : through or through the medium of : VIA <enter by the door> b : in the direction of : TOWARD <north by east> c : into the vicinity of and beyond : PAST <went right by him>
3 a : during the course of <studied by night> b : not later than <by 2 p.m.>
4 a : through the agency or instrumentality of <by force> b : born or begot of c : sired or borne by
5 : with the witness or sanction of <swear by all that is holy>
6 a : in conformity with <acted by the rules> b : ACCORDING TO <called her by name>
7 a : on behalf of <did right by his children> b : with respect to <a lawyer by profession>
8 a : in or to the amount or extent of <win by a nose> b chiefly Scottish : in comparison with : BESIDE
9 -- used as a function word to indicate successive units or increments <little by little> <walk two by two>
10 -- used as a function word in multiplication, in division, and in measurements <divide a by b> <multiply 10 by 4> <a room 15 feet by 20 feet>
11 : in the opinion of <okay by me>
- by the by or by the bye : INCIDENTALLY 2

Adverb:

Pronunciation: 'bI
1 a : close at hand : NEAR b : at or to another's home <stop by>
2 : PAST <saw him go by>
3 : ASIDE, AWAY

Adjective:

1 : being off the main route : SIDE
2 : INCIDENTAL

Noun:

Function: noun
Inflected Form(s): plural byes /'bIz/
: something of secondary importance : a side issue

Interjection:

Variant(s): or bye /'bI/
Function: interjection
Etymology: short for goodbye
-- used to express farewell; often used with following now

Main Entry: by
Function: abbreviation
billion years