pedal n. 踏板v. 踩……的踏板

例句：He pushed hard on the brake pedal to avoid a collision.

他使勁踩下煞車(chē)踏板以避免撞車(chē)。

expedite v. 加快，派出adj. 暢通的，迅速的

例句：The builders promised to expedite the repairs to the roof after theygot a premium.

建筑工人拿到額外費(fèi)用后，答應(yīng)加快屋頂?shù)男蘅槨?/p>

expedition n. 遠(yuǎn)征，探險(xiǎn)隊(duì)，迅速，派遣

例句：The expedition suffered all the rigors of a Canadian winter.

這支探險(xiǎn)隊(duì)飽受了加拿大嚴(yán)冬的折磨。

pedestrian n. 步行者adj. 徒步的，呆板的，通俗的

例句：You can go in the period of time during which motor vehicular andpedestrian traffic is light．

你可以在車(chē)輛和行人都較少的時(shí)間段去。

impede v. 阻止，妨礙

例句：The development of the project was seriously impeded by a reduction in funds.

由于基金削減，工程進(jìn)度嚴(yán)重受阻。