Polycycly
多环式, 多轮式
🗣️ 情景例句
I've only been waiting for an hour.
我已经等了一个小时了。
Do not swap horses when crossing a stream.
处在危难中，不宜大更动。
Bruce consulted the map once more and told us that the village was now only fifteen miles away.
布鲁斯又看了一眼地图，告诉我们那座村庄离我们只有15英里了。