Leather chemicals

leather ['lɛðɚ]

n. 皮，皮革;皮革制品; vt. 用皮革包盖;（口）（用皮带等）抽打;制成皮，蒙上皮; adj. 皮的，皮革的，皮革制的;

chemicals

n. 化学品, 化学制品；化学药品；化工产品（chemical的复数）

I want to get my work finished by tomorrow.

我想在明天前完成工作。

True love kythes in time of need.

患难显真情。

when they would be capable of providing information about traffic jams and suggesting alternative routes, when they would be used in hospitals to help doctors to diagnose illnesses, when they would relieve office workers and accountants of dull, repetitiv

计算机可以使办公室人员和会计免除那些枯燥、重复的劳动。