禾苗的英文：
rice seedling
grain crop seedling

参考例句：

Weeds damages growing rice
莠损禾苗

rice是什么意思：
n. 稻；大米，米饭

He bagged (up) rice.
他把大米装进口袋。

congee; rice gruel; porridge
粥；稀饭

Rice grows mainly in the south.
稻米主要产在南方。

seedling是什么意思：
n. 秧苗，籽苗

These are the seedlings that are hardening off in a hotbed
这些是放在温床中经受耐寒锻炼的幼苗。

She matted up seedlings.
她把幼苗用草席盖起来。

I transplanted the seedlings to the garden.
我把树苗移植到庭院。

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