Lactase deficiency
乳糖酶缺乏
🧩 词语组成解析
n. 乳糖酶\\n[化] 乳糖酶
🗣️ 情景例句
Good-bye.
再见。
I did exercise last week.
我上星期做练习。
the gaoler returned a few moments later with a pair of glasses and the usual copy of the letter which he proceeded to read to the prisoner.
一会儿工夫，狱卒重新登台，拿来一副眼镜以及平时使用的那封信，然后为那囚犯念了起来。