Procambium
n. 原形成层\\n[医] 前形成层, 前新生层
🗣️ 情景例句
And then branched out into other sports products.
然后逐渐扩展出其他的运动产品。
Pitchers have ears.
隔墙有耳。
He did everything very slowly.
他做什么都很慢。