Butylidene propionic acid
[建] 丁叉丙酸
?? 詞語組成解析
[化] 1,1-亞丁基
[醫]丙酸的
??? 情景例句
What is your regular practice concerning the terms of payment?
你們一般采用什么付款方式？
You should be ashamed of your bad manners.
你應該對自己的不禮貌感到羞恥。
This model's less expensive than that one.
這種型號比那種要便宜些。