Radioindicator
[化] 放射性指示剂
🗣️ 情景例句
we have to talk to Michelle together about being married.
我们必须一起跟 Michelle谈谈我们结婚的事。
That's rubbish!
胡扯的！
later, we shall undergo a progressive loss of our vigour and resistance which, though imperceptible at first,
再迟一些，我们就要经历生命力和抵抗力逐步衰退的过程。虽然这个过程起初难以觉察，