Siphonogam
粉管受精植物
🗣️ 情景例句
We're in the country.
我们在乡村。
Thank you.
谢谢你。
Everyone knows that if he shouts in the vicinity of a wall or a mountainside, an echo will come back.
大家都知道，在墙壁或山腰附近发出的喊声，就会听到回声。