是的，许多还正在建设之中。
网站正在建设之中，不便之处，敬请谅解。
This website is still under construction - please forgive us for any inconvenience.
不远处，一个规模更大的新机场正在建设之中。
And a massive new airport is under construction not far from the existing one.
一条从北京到上海的新的高速公路正在建设之中。
北京有四条地铁线，还有几条线也正在建设之中。
There are four underground lines in Beijing, and several lines are under construction.
目前，还有三条连接京津高速公路在建工程正在建设之中。
At present, there are also three expressways under construction that will link the two cities.
目前，还有三条连接京津高速公路在建工程正在建设之中。
At present, there are also three expressways under construction that will link the two cities.
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