Semisynthetic
a. 半合成的
🗣️ 情景例句
Earth day should be every day.
每一天都应该是地球日。
It's nothing.
小事情；不足挂齿。
he knows while he looks at one side what the other side is like;
他看物体的一边时，便知道另一边是个什么样子。