答辩: to reply (to an accusation), to defend one's dissertation...
长江: Yangtze River, or Chang Jiang...
顺: to obey, to follow, to arrange, to make reasonable, along, favorable...
祝福: blessings, to wish sb well...
对不起: unworthy, to let down, I'm sorry, excuse me, pardon me, if you please, sorry (please repeat)...
实况: live (e.g. broadcast or recording), what is actually happening, scene, the real situation...
差异: difference, discrepancy...
灵通: fast and abundant (news), clever, effective...
保管: to hold in safekeeping, to have in one's care, to guarantee, certainly, surely, custodian, curator...
码头: dock, pier, wharf...