英语听力精选进阶版 13232(在线收听) |
Destruction of smallpox virus delayed Vocabulary was eradicated was destroyed and is no longer a danger to public health around the world has raged has continued with strong opinions on either side high time an appropriate and right thing to do samples small amounts of the virus used for research re-emerged came back deliberately not as an accident but on purpose to sway to persuade a compromise a decision which everyone agreed on but is not really what either side wanted postponing delaying the fate of the future of |
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