Umbelliform
伞形的
🗣️ 情景例句
For example, did you know that 1 in 4 teenagers has tried marijuana?
比如，你是否知道4个青少年中就有1位曾经吸过大麻？
Have they developed a new method of transportation yet?
他们已经开发了新的运输方法了吗？
No, it's not him.
不对，也不是他。