As well as killing pain,codeine gives a feeling of calm, of wellbeing,可待因可以止痛，同時讓人有鎮靜，幸福的感覺

as well as，和…一樣；不但…而且（謂語與第一主語一致）

He shared in my sorrows as well as in my joys.

他分擔我的快樂也分享我的悲傷。

that can be more attractive than the pain-killing itself.這一點可能要比止痛更吸引人

more than超過；多于；不僅僅；非常

This city has a population of more than 1,000,000.

這個城市人口超過一百萬。

A publication issued at regular intervals of more than one day.

期刊以多于一天的周期定期出版的出版物

It is incredibly easy to get addicted to pain killers對止痛藥上癮簡直輕而易舉

get addicted to對...上癮

Boys are more likely to get addicted to computer games than girls.

在青少年中,男性比女性更易電腦游戲成癮;