He knocked at the door , a housewife opened the door , in before she could first words , in case direct sellers rushed in and will asperses full whole carpet clastic .

他敲了门，一位主妇开了门，在她还没来得及说第一句话时，直销员就冲了进去并将碎屑洒满了整个地毯。

Ache is clastic enzyme at synaptic cleft hydrolyzed ethnol choline , which can hydrolyze effectively and quickly hydrolyze the ethnol choline at the nerve ending and coordinate the nerve excitation and inhibition .

乙酰胆碱脂酶是位于突触间隙水解乙酰胆碱的分解酶，它能高效、迅速地水解胆碱能神经末稍所释放的乙酰胆碱，保证神经兴奋与抑制的协调统一。