Population fluctuation

population [,pɑpju'leʃən]

n. 人口;全体居民;特定[生物]种群;[物]布居;

popul人民+ation表示行为、状态→ 全体居民，人口

fluctuation [,flʌktʃʊ'eʃən]

n. 波动，涨落，起伏，[物]脉动;动摇不定，踌躇;[生]彷徨变异;

fluctu 波浪 + ation 表示行为、情况、状态、过程、结果 → n.波动, 起伏

I woke up when I heard someone speak.

一听到有人说话我就醒了。

Here's your change.

这是找你的钱。

My dear friend, Mathilde. Let me tell you something. That necklace you borrowed from me wasn't a real diamond necklace. It wasn't valuable at all. The stones in the necklace were made of glass. It was worth five hundred francs at the most.

玛蒂尔德，我亲爱的朋友。让我告诉你吧。你向我借的那条项链并不是一条真的钻石项链。那条项链根本不值钱。项链中的宝石是玻璃做的。它最多值500法郎。