Monotypic
单型的
🗣️ 情景例句
Can I help?
要我帮忙吗？
Where there are reeds, there is water.
有芦苇处必有水。
Finding planets is proving hard enough, but finding life on them will prove infinitely more difficult.
寻找行星证明相当困难，但是要在行星上发现生命会变得无比艰难。