Rnavirus
核糖核酸病毒
🗣️ 情景例句
We'll spend many more weekends like this.
我们以后可以多度几次这样的周末。
How much does packing take up of the total cost of the goods?
包装占货物总成本的百分比是多少？
After the accident, all the lines and taps were clearly marked and new people joining the workforce were given a talk on safety before they started work.
火灾过后，所有的管道和龙头都被标得一清二楚，而且加入劳动队伍的新工人在开始工作之前要接受有关的安全教育。