重點講解：
1. be full of 有大量…的；滿是…的；
The pool had dried up and was full of bracken and reeds.
水塘已經干涸，里面都是歐洲蕨和蘆葦Qgo-.aiP1fH%a~hs9。
2. light up 照亮；發亮；
There was an explosion and the whole sky lit up.
一聲爆炸照亮了整個天空VFT*c*R*_[G!Oc;。
3. pick up 發現，找到，識別；
Scientists have known for decades that male lab mice produce high-frequency sounds — when they pick up the scent of a female mouse .
幾十年前科學家們就知道，當實驗室中的雄性老鼠聞到雌性老鼠的氣味時，會發出高頻率的聲音8;4qN5Fb(Q]7,.LUFlHS。
4. a whiff of 一陣(氣味)；
He caught a whiff of her perfume.
他聞到了她身上的一股香水味fF273@Uf~Nn。