Examples
shǒu xiān首先，yīn wèi因为hǎi shuǐ海水biàn变rè热shí时péng zhàng膨胀，hǎi海píng miàn平面kě néng可能tí gāo提高。
首先，因为海水变热时膨胀，海平面可能提高。
First of all, the level of the ocean could rise, because ocean water expands as it grows warmer.
我在想是否北极的冰融化的时候,海平面就会上升。
I wonder if the sea levels will rise when the North Pole melts.
融化中的极地冰盖也可以使海平面上涨的势态更加严重。
Melting polar icecaps could also contribute to an increase in sea levels.