Polyerg
[医] 多能血清(单种血清而作用于异种抗原)
🗣️ 情景例句
She exchanged a few words with the foreigner.
她和那个外国人交谈了几句。
Here, let me carry half of those for you.
喏，让我替你拿一半吧。
Maori families are often large, and uncles, aunts, grandparents and other relations may come to stay with the family for long periods.
毛利人的家庭通常很大，叔伯、婶娘、爷爷奶奶以及其他亲戚均可来与家里人长时期地住在一起。