重點(diǎn)講解：
1. be detrimental to 有害的；不利的；
Poor eating habits are detrimental to health.
不良的飲食習(xí)慣對健康有害bkrw2,+8ueajrPU@~2O-。
2. be exposed to 使暴露于（險(xiǎn)境）；使遭受（危險(xiǎn)或不快）；
They were exposed to radioactive fallout during nuclear weapons tests.
在核武器試驗(yàn)中他們暴露在放射性塵埃之下2G1yH7Jl&Fw8*#9&W。
3. at the end of 在…的結(jié)尾；
It was a rushed decision made at the end of the meeting.
那是會(huì)議結(jié)束時(shí)匆忙作出的決定h]qAj=a3WcRR。
4. what's more 更有甚者；更為重要的是；此外；
You should remember it, and what's more, you should get it right.
你應(yīng)該記住它，更重要的是，應(yīng)該正確理解它Se*7W+Q;~cu*.d|^[b4。