Preparation 339

[化] 制剂339; 水杨酰苯胺

🧩 词语组成解析

preparation [,prɛpə'reʃən]
n. 准备，预备;准备工作;配制品;制剂;
prepar=prepare准备+ation名词后缀 →准备

🗣️ 情景例句

Thanks, Dad.
谢谢你 ，爸爸。
The goods were carefully packed and shipped here in excellent condition.
货物包装得很仔细，装船很小心，在这儿完好无损。
Please sign here to show that you have received the money.
请在这儿签字以表明你已收到这笔钱。"
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🔤 更多 P 开头的单词

paper tape system
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Portunus
previous period
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