Micropropagation
n. 微繁殖
🗣️ 情景例句
I'm the vice-president of new toy development.
我是负责新玩具开发的副总裁。
He tells me is a city boy, and this is his first time to live in a camp like this.
他说他是一个都市男孩，这是他第一次过这种野营生活。
There is a boy in the water.
河里面有个男孩。