Despitetheproliferationofotherfastermodesoftransportation,therailroadsremainthelargestcarriersofintercityfreightintheUnitedStates.
A、schemesSome sea urchins海胆 have venomous (toxin) spines
ThecompanyissuesanannualreporteveryMarch.
An oversight 遗漏 (miss, overslaugh) in proofreading often results in printed errors.
Thefearofsmallpox,whichterrorizedtheeighteenthcentury,hasnoanalogy(likeness)today.
The first paper was made from the bark of the mulberry tree.
