Dialkyl alkylene diphosphonic acid
[化] 亚烷基二烷基双膦酸
🧩 词语组成解析
[机] 二烷基
亚烃基, 烯化, 烷撑
🗣️ 情景例句
Philip was a young doctor,
Philip当时是个年轻的大夫
There's many a good tune played on an old fiddle.
老当益壮。
but then she decided that at her age it might be more prudent to have someone with her,
但转念一想，像她这个年纪，最好找个人一起去。