OUR WORLD
Panama Canal is 100 years old
作者:By Anner R. Carey and Paul Trap, USA TODAY
The canal connects the Atlantic Ocean to the Pacific Ocean in Central America. Below are its biggest users in million tons of cargo in 2013:
- 对本期电子报订户、有效期内的VIP教师会员和本学期高二尊享卡用户,我们开放所有内容:
- 如果您拥有以上权限,请点这里登录;
- 订阅电子报,请点这里;
- 激活VIP教师卡,请点这里;
- 激活21英语尊享卡,请点这里。