Nicotine/尼古丁(n.)

Nicotine/尼古丁(n.)：

E-cigarette is an electronic nicotine inhaler.

Volatility(n.)/反覆無常/易變/揮發性

Volatility(n.)/反覆無常/易變/揮發性：

Volatility in emerging markets is shaking the investors' confidence.

Hydrate(n.v.)/水合物/氫氧化物

Hydrate(n.v.)/水合物/氫氧化物：

Athletes need to focus on hydrating with water in order to prevent over sweat loss.

瀝青(v.n.U)/Tar/asphalt(v.n.U)

瀝青(v.n.U)/Tar/asphalt(v.n.U)：

Tar is a black substance used for road paving.

They just have the roads asphalted last week.

Additional note: Tar/焦油 is also a substance that can be found in tobacco.


On my mind:
I have come across the word "tar" before but this is the first time I meet "asphalt". There is so much to be learnt about chemistry.