losing progressively smaller amounts of radiation 按递减方式损失辐射

You will feel better with time. 你会慢慢好起来的。

a consistent improvement 稳步的改善

The disease was killing him by degrees.

Little by little his eyes adjusted to the light. 他的双眼逐渐地适应了光线。

I'll move my things into the flat bit by bit. 我会把东西一点一点地搬进公寓。

Things will get better over time. 情况会慢慢好起来的。

The pain steadily increased in intensity. 疼痛越来越强烈。

Slowly but surely, the old landowning class was losing its power and influence. 旧的地主阶级正失去其权力和影响，这一过程虽缓慢但却确定无疑。