Opacifying agent
[化] 不透明剂
🧩 词语组成解析
v. 使…变得不透明( opacify的现在分词 )
🗣️ 情景例句
She's nine years old.
她九岁。
She passed her competitive examination not without difficulty.
她好不容易才通过了答辩考试。
Houses -- often three storeys high -- were built of stone.
房子一般有3层楼高，用石块修建。