Accordingly, this can be mainly attributed to the interaction between soil physiochemical structure and microphytic community of BSCs. Such microorganisms secrete mucilaginous polysaccharide sheaths that bind soil particles more _______.
문제 2 :
He took the plate in his hand, holding it between thumb and forefinger at one corner, letting it hang down. With the other hand he pinched it at the opposite corner, pressing thumb and forefinger together _______.