常見(jiàn)例句Radium and uranium are radioactive elements. 鐳和鈾是放射性元素。In English, b, p, m and w are bilabials. 英語(yǔ)中的b、p、m、w爲(wèi)雙脣音。C comes after B in the alphabet. 在字母表中C接在B後麪。He was the discoverer of the element radium. 他是鐳元素的發(fā)現(xiàn)者。The "b" in "comb" is not sounded. comb這個(gè)詞裡的"b"是不發(fā)音的。The old woman does not know from A to B. 這位老太太一字不識(shí)。 返回 radium-B