digestion
n
(a) [U] digesting 消化; 吸收; 领悟
foods which aid digestion 助消化的食物.
(b) [C usu sing 通常作单数]
power of digesting food 消化能力; 消化力
have a good/poor digestion 消化力强[弱].
Yes, and we must stop people walking on this floor until it's firm. It may be necessary to put up a notice saying Keep off. Another thing, we' ll have to drill a hole in the wall for the electric wires.