Unbacked
a. 无助的, 无靠背的, 未驯服的, 无支持的
✅ 同义词
🗣️ 情景例句
but they probably had other things on their minds.
但他们也许还有其他的事想要做。
He spends a lot of time reading books on ecology.
他花了大量的时间阅读生态学方面的书籍。
Have fun.
好好玩吧！