Pollen allergen
[医] 花粉变应原
🧩 词语组成解析
pollen
['pɔlin]
n. 花粉;[虫]粉面;
vt. 传授花粉给;用花粉掩盖;
n. 变(态反)应原\\n[化] 过敏素; 变应原
🗣️ 情景例句
I'm sorry, but I've got to be on my way.
很抱歉，我必须走了。
When did you take the examination?
你什么时候去参加考试？
It was warm last Sunday, so I went and sat on the river bank as usual.
上星期日天气很暖和。于是我和往常一样，又去河边坐着。