本集核心英语单词及例句：

1.reciprocation (n.)往复运动；报答
She had loved him almost all her life without reciprocation.
她爱了他几乎整整一辈子却未得回报。

2.trust (n.)信任，信赖
He betrayed my trust in him.
他辜负了我对他的信任。

3.parlor (n.)客厅；会客室
The parlor overlooks the street.
这客厅可以俯瞰街道。

4.guarantee (vt.)保证；担保
The makers guarantee this special glass against breakage.
制造商保证这种特制玻璃不会打碎。

5.trick (n.)诡计；恶作剧；骗局
Your trick won't be slipped over me.
你的诡计再也骗不了我了。

6.ammunition (n.)弹药；军火
The federal reserve was running out of monetary ammunition.
美联储正在慢慢耗尽它的货币弹药。

7.logical (adj.)合逻辑的；合理的
The key to his success is his logical mind.
他成功的关键在于他擅长逻辑思维。

8.efficient (adj.)有效率的；有能力的
I've been looking out for an efficient teaching method.
我一直在寻求一种有效的教学方法。