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单词
herd immunity
例句
DEFINITIVE EXAMPLES 权威例句
〔immunity〕
Polio has been eradicated due to vaccination and
herd immunity
.通过疫苗接种和群体免疫,脊髓灰质炎已经被消灭了。
牛津搭配
随便看
train connection
train depot
train down
train fare
train it
train journey
train load
train of thought
train on
train schedule
train service
train set
train staff
train station
train stop
train ticket
train up
train with
train wreck
train-spotting
trained
trained manpower
trained nurse
trained worker
trainee
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更新时间:2025/7/1 9:20:56