重點講解：
1. a piece of
（斷下、撕下或切下的）塊，片，段，截；
eg. I was hurt by a piece of falling masonry.
我被掉下來的一塊建筑用石塊砸傷r]u-K&o,--。
eg. The teacher gave each of us a piece of filter paper before doing the experiment.
做試驗前，老師給我們每個人發了一張濾紙]%]t**)v^-NJB!SdQ.=。
eg. The baby was given a piece of candy.
這孩子拿到了一塊糖q*8ly-Jw(Ek~oc0c1,。
2. stay away from
不去，遠離；
eg. Government employees and officers also stayed away from work during the strike.
政府雇員和官員在罷工期間也沒去上班^+bvu_4HJ4Dnurv。
eg. he doctor told him to stay away from such foods and drinks.
醫生叫他不要吃這樣的酒菜~pfcdTx+;J40J3Rv。
eg. Children must be warned to stay away from main roads.
必須警告孩子們遠離交通要道#~pW%*l(rIiT+*zj4LwX。