与每年的流感疫苗不同的是，这种新疫苗提前上市了。
The new vaccine, which is different from the annual flu vaccine, is available ahead of expectations.
youdao
他们应该每年接受流感疫苗接种。
They should receive annual influenza vaccinations.
应用推荐
模块上移
模块下移
不移动