Carcinogensis
致癌作用
🗣️ 情景例句
He's been here for years, he should know the ins and outs of the job by now.
他在这里已经好多年，现在理应熟悉各方面的工作了。
If she gets mad with him, she will not speak to him for days.
她对他一生气就会许多天不跟他说话。
Dear Ling Feng,
亲爱的Ling Feng：