Substantival
a. 名词性实词的, 名词的
✅ 同义词
🗣️ 情景例句
It leaves at 5:20.
五点二十分开。
This stain is really stubborn.
这污垢去不掉。
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。