Preimmunization
[医] 幼儿期免疫接种
🗣️ 情景例句
We prefer to have payment in US dollars. It may be difficult for us to do so.
我们用美元付款。用人民币支付可能有些困难。
Do you know the percentage of the damaged portion?
你们知道残损部分的百分比吗？
He fell behind with his work.
他工作落后了。