重點講解:
1. show up 出現;露面;
例句:Periodicity of nuclear properties began to show up.
原子核性質的周期性開始顯示出來了 。
2. turn into (使)變成;(使)成為;
例句:Oil can be turned into energy by burning it.
油經過燃燒可變為能源 。
3. compared to 與…相比;和…比起來;
例句:The old can really does look dated compared to the new look.
相比新的外觀,原外觀真的顯得很陳舊 。
4. come up with 想出,提出(計劃、想法等);
例句:You're the only one to come up with that answer.
你是唯一一個給我這樣的答案的人 。
5. zero in on 全神貫注于(問題或主題);
例句:They zeroed in on the suspicious man.
他們的注意力集中在那個可疑分子身上 。
adj. 免除的,免疫的