Protopterus
非洲肺鱼
🗣️ 情景例句
I have the key, but it doesn't work.
我有钥匙， 但是开不开箱子。
The electric fan is out of order.
这电风扇出毛病了。
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。