—Of course, it's built over a canyon in the Zhangjiajie National Forest Park.
A:300-meter-deep
B:300-meters-deep
C:300 meter deep
D:300-meters deep
当我们坐在高速前进的列车上时,打开列车的车窗,发现车窗的窗帘总是( )
关于家庭电路和安全用电常识,下列说法中正确的是( )