🧩 词语组成解析
a. 免疫化学的
assay
[ə'se]
n. 化验;试验;<古>尝试;试金;
vt. 化验;试验;考验;分析;
vi. 经检验证明内含成分;
🗣️ 情景例句
Don't you want something to eat?
您想吃点什么吗?
The petroleum region is centered largely in the north.
那里的石油区大部分集中在北部。
who has beenworking or worrying about serious things for six days,
为严肃的公务操劳或烦恼了6天的