wǒ / men / zhàn / zài / shān / dǐng / yòng / yǎng / jiǎo / gū / suàn / duì / miàn / shān / pō / de / gāo / dù

我们站在山顶，用仰角估算对面山坡的高度。

We stood on the mountaintop and used the angle of elevation to estimate the height of the opposite slope.