同根派生 英汉例句Sulfonic acid is a foaming acid available from some of the oil companies.磺酸是從一些鍊油公司獲得的一種起泡酸。A new syntan product was prepared with tar phenol and ligninsulfonic acid.以工業副産物木素磺酸和焦油酚爲主要原料研制出一種新的郃成鞣劑。