Pentacetate
五乙酸盐
🗣️ 情景例句
Don't count your chickens before they hatch.
心急吃不了热豆腐。
You don't have to play that record/CD so loud, do you?
你不一定要把唱片放得那么响，对吧？
He passed his exams, and even better, when he left university he had earned enough money to start his own business, offering guide services to tourists.
他考试过关了，更惬意的是，他大学毕业时，所赚的钱足够他开始经营自己的行业--为游客提供导游服务。