But they're a step toward knowing who's had COVID-19 and possibly preventing the future spread of it and contact tracing can help with that too.
但它们是朝着了解谁感染了 COVID-19 并可能防止其未来传播迈出的一步，而接触者追踪也可以帮助实现这一目标。
| 单词 | Futures Spread |
| 释义 |
Futures Spread
原声例句
当月 CNN 10 学生英语 2020年4月合集 But they're a step toward knowing who's had COVID-19 and possibly preventing the future spread of it and contact tracing can help with that too. 但它们是朝着了解谁感染了 COVID-19 并可能防止其未来传播迈出的一步，而接触者追踪也可以帮助实现这一目标。 |
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