評論
打印
1.VOA's Steve Baragona reports that new research says there might have been a weak spot in the polio vaccine.
weak spot弱點
Skiing remained the weak spot of the Chinese team.
滑雪仍是中國隊的弱項。
2.The study says a mutated polio virus was responsible for that unusually deadly outbreak.
be responsible for為…負責，形成…的原因
Who will be responsible for the expedition's supplies?
誰將負責探險隊的物資供應？
3.The researchers of the study say their findings show new and dangerous kinds, or strains, of polio may emerge as the goal of getting rid of the virus nears.
get rid of除掉，去掉
You seem in rather a hurry to get rid of me.
看起來你急于想擺脫我。
4.He blames Congo's civil unrest in the 1990s and early 2000s that had messed up vaccination campaigns.
mess up弄亂，弄糟
He got another chance and didn't want to mess up again.
他又獲得一次機會，這次他再也不愿意把事情弄糟了。
