trade with sb. 和……做生意；和……做交換
train
n. 火車；列車。如：
We went to Xi’an by train.
我們乘火車去了西安。
（這里的train指的是一種交通方式。）
v. 訓(xùn)練；培訓(xùn)。如：
The hunter trained his dogs to catch hares.
獵人訓(xùn)練他的狗去抓野兔。
She is training to become a doctor.
她正在鍛煉自己成為一名醫(yī)生。
（這里的train是不及物動(dòng)詞。）
[身臨其境]
2003年高考閱讀理解第61題：
By saying “The Salt Lake City Public Library is sold on the idea”, the writer means the library _______.
A. uses dogs to attract children
B. accepts the idea put forward by ITA
C. has opened a children’s department
train
n. 火車；列車。如：
We went to Xi’an by train.
我們乘火車去了西安。
（這里的train指的是一種交通方式。）
v. 訓(xùn)練；培訓(xùn)。如：
The hunter trained his dogs to catch hares.
獵人訓(xùn)練他的狗去抓野兔。
She is training to become a doctor.
她正在鍛煉自己成為一名醫(yī)生。
（這里的train是不及物動(dòng)詞。）
[身臨其境]
2003年高考閱讀理解第61題：
By saying “The Salt Lake City Public Library is sold on the idea”, the writer means the library _______.
A. uses dogs to attract children
B. accepts the idea put forward by ITA
C. has opened a children’s department