n.葉?。桓∑?;金屬粉末懸浮現(xiàn)象
動(dòng)詞leaf的現(xiàn)在分詞.
The leaves turn yellow in autumn. 秋天時(shí)葉子變黃。
The plane trees lining the main street are leafing out. 大街兩旁的梧桐樹(shù)已冒芽長(zhǎng)葉。