-gen
[医]〔词尾〕原, 剂：加到词干上指该词干表示的物体或状态产生的动因, 如过敏原(allergen), 冷冻剂(cryogen), 致病原(pathogen)
🧩 词语组成解析
n. 消息, 真相, 情报\\n[医] 基因, 遗传因子
🗣️ 情景例句
When I was asked to speak in English.
刚才当被要求说英语的时候。
I don't like it when the weather gets real cold.
当天气变得很寒冷时，我不喜欢。
Oil rigs have to be repaired frequently and divers,who often have to work in darkness a hundred feet under water,
钻井平台需要经常修理，潜水员常常要在水面100英尺以下摸黑工作，