Populus detoides
[医] 棉白杨
🗣️ 情景例句
A couple of weeks.
两、三个星期吧。
Let's take a vote.
我们来表决吧！
has spent his lifetime studying active volcanoes and deep caves in all parts of the world.
花了毕生的精力来研究世界各地的活火山和探洞。