粮食收购资金实行封闭运行的英文：
Closed operation of grain purchase funds

closed是什么意思：
adj. 关闭的，封闭的；保密的
v. close的过去式和过去分词

close unchanged
收盘时股价

Wright was close.
怀特是个吝啬的人。

The wound has closed.
伤口已愈合。

operation是什么意思：
n. 运转；行动；手术；运算

The operator O is the null operator.
算符O是零算符。

They are computer operators.
他们是计算机操作员。

monitor operator
之声监听员

grain是什么意思：
n. 谷物；颗粒；一点儿；纹理；本质
v. 使成粒状

They are similar in grain.
他们气质相似。

Slowly each grain of wood was replaced with grains of minerals.
慢慢地所有的木质都被矿物微粒所取代。

Grain by grain and hen fills her belly
一粒一粒啄米,母鸡填饱肚皮