Preparation 339
[化] 制剂339; 水杨酰苯胺
🧩 词语组成解析
🗣️ 情景例句
Oh, let me help you with this.
来， 我帮你放好。
Graduation is often the last moment of childhood.
毕业往往意味着儿童时期的结束。
I had to think of a way of preventing him from following me around all morning.
我得想办法不让他整个上午缠着我。