VOA慢速英语:Research Grows Through Citizen Science; Vocal Trash Recycles More Than Old Songs; Artist Cre

1. This week on our program, we learn about citizen science and its growing popularity.

learn about 了解
例句：Childrenseem to learn about computers by osmosis. 
儿童似乎不知不觉地就了解了计算机. 

2. Then plant scientists can study the data to look for changes over time.

look for 寻找
例句：He has come all the way from Leeds to look for a job. 
他从利兹远道而来寻找工作. 

3. Retired teacher Joan Davies Rapp of Tacoma, Washington, has been a volunteer observer for a long time

for a long time 很久
例句：He has been waiting for his brother for a long time. 
他等候他兄弟已很久了。 

4.  I've noticed migrations of different birds coming up the last twelve years.

come up 开始;发生
例句：His new book did not come up to expectation. 
他的新作没有达到预期水平。 

5. KELSEY RAE: "We started the group about eleven years ago. We were singers first, so we put together the name Vocal Trash."

put together 把...放在一起;组合
例句：They were putting the machine together.
他们正在装配机器。

6. KELSEY RAE: "We like to say we rescue items from a landfill and make music out of them. We come up with the designs and we have a company make them for us.”

come up with  赶上
例句：We came up with a group of tourists.
我们赶上了一群旅游者。

7. Most people use chainsaws to cut down trees or cut off branches.

cut down 削减
例句：He tried to cut down on smoking but failed.
他试图少抽烟,但没成功。
cut off 切除
例句：The electricity supply has been cut off/disconnected at the mains. 
电力供应已在电源处截断. 

8. It's kind of an experience rather than just a piece of art."

rather than 而不是...
例句：We aim at quality rather than quantity. 
我们的目的是重质不重量。