重點講解：
1. as to
關于…；
例句：Local inhabitants haven't the slightest doubt as to who is the rightful owner.
當地居民對誰是合法所有者沒有絲毫疑問_S6a~jZSfnd0R*A_@UY!。
例句：He is in no doubt as to what is needed.
他很確定需要什么64^iQT&zm=!.1l。
2. be composed of
組成；構成；
例句：The sea water is mainly composed of water and salt.
海水主要由水和鹽組成+9r!0jH19^。
例句：All animals and plants are composed of cells.
一切動植物均由細胞組成YYM@F0oha^)。
3. be similar to
相像的；相仿的；類似的；
例句：Mary's symptom is similar to Joseph's in some way.
瑪麗的癥狀在某些方面和約瑟夫的類似WVMsv9)3#fc@+。
例句：I came across a sentence similar to this one in structure.
我碰到過在結構上與這個相似的句子vIlIWP!P).]EYr%wZqr_。
4. prey on
捕食；
例句：The effect was to disrupt the food chain, starving many animals and those that preyed on them.
后果是打斷食物鏈，使許多動物和捕食它們的動物餓死JQ;pEhc_)0|j]5R。
例句：Stronger animals prey on weaker ones.
弱肉強食@AD!(SPr%;=Fpg#0。
5. protect from
保護；防護；
例句：He raised his arm to protect his child from hurt.
他伸出手去，保護他的孩子免受傷害I)@I(xZNE)Y6igL)p。
例句：Such laws could protect the consumer from harmful or dangerous remedies.
這樣的法規可以保護消費者免受有害或者危險藥品的威脅|UfP=p*1~RDbq4kNa(。