Lichens
n. 地衣类；地衣（lichen的复数）
🗣️ 情景例句
You and I will talk this over.
我俩商量商量。
When Alex began to argue, Richard burst into a rage.
当阿列克斯开始争论时，理查德便大发雷霆。
it takes much less energy to accelerate to that 1.5 miles per second than it does on Earth.
在月球上加速到每秒1。5英里比在地球上所用能源要少得多。