Fluorescence lifetime

fluorescence [[flɔ:'res(ə)ns]]

n. 荧光, 发荧光, 荧光性\\n[化] 荧光

lifetime ['laɪftaɪm]

n. 一生，寿命;有生之年;存在期，有效期; na. 终生;终身保障;[核]寿命;

life生命+time时间→ n.一生，终身

I want to thank you for giving me an opportunity to speak to you.

我要感谢大家给我一个机会来向各位讲话。

Fruit ripens not well in the shade.

阴凉处的果子不会成熟。

Finding a job is not the same as choosing a job. Many young people end up in a job to which they are not suited. Chance may play a more important part than decision. So here are a few steps to help you think about jobs which you might enjoy doing

找一个工作不同于选择一个工作。许多年轻人最终却干了并不适合他们的工作。"机会可以比"决定起着更重要的作用。所以这里有几个步骤，帮助你中学或大学毕业后考虑从事你可能喜欢做的工作。