北美洲

South America is joined to North America by a canal.

南美洲和北美洲由一条运河连在一起。

South America is jointed to North America.

南美洲和北美洲相连。

The symbols and notation used herein are essentially those in current use in North America.

这里采用的符号和表示方法实际上是北美洲通用的。

That´s interesting. We also thought that they have just signed the North America Free Trade Agreement.

那很有意思。 我们也想过他们刚刚签署了北美洲自由贸易协定。

European moth introduced into North America; a serious pest of shade trees.

引入北美洲的欧洲蛾子； 是能遮荫的树的严重的害虫。