Mono-functional molecule

mono [['mɔnəu]]

a. 单声道的

functional ['fʌŋkʃənl]

adj. 功能的;[数]函数的;有多种用途的;机能性;

molecule ['mɑlɪkjul]

n. 分子;微小颗粒;

mole堆+cule表名词，小 → 分子

Your room number is 512. Here's your key.

房间号码是512。这是您的钥匙。

I'm glad you enjoyed yourself; we enjoyed having you.

我高兴你过得愉快。承您光临，我们也过得很快乐。

Pierre and I borrowed the money and bought the necklace. During the next ten years we both worked day and night to pay back the money we had borrowed. That's why I now look so old. Well, after all these years we've at last paid back all the money.

我和比尔借了一笔钱，买下了那条项链。在后来的10年时间里，我们两人为了偿还这笔借款不分昼夜地干活。这就是为什么我现在看起来这样老的原因。好了，过了这些年之后，我们终于还清了全部借款。