Heptavalent
a. 七价的
🗣️ 情景例句
but she sold us our first house and this one.
我们的第一栋房子和这一栋都是她卖的。
It's a shame these instructions are so complicated.
真遗憾，这些说明太复杂了。
Yes, Mum. What do you want to buy?
好，妈妈。你想买什么？