Footboard
n. 踏脚板, 放脚台, 竖板
✅ 同义词
🗣️ 情景例句
How do I find the bus stop?
我怎样才能找到车站？
Mike is already a junior.
迈克已经大学三年级了。
Alternatively, if the star were small, the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.
反之，如果恒星很小，维持生命的行星就要在离恒星很近的轨道上运行，而且要有极好的条件才能使生命得以发展，