Booster injection
[医] 激发注射
🧩 词语组成解析
booster
['bu:stə]
n. （电器的）增压机;助推器，多级火箭的第一级;热情的支持者;
🗣️ 情景例句
and they found it to be too easy--
他们发现字太简单了，
To answer the first part of your question, I'd like to say that our studies were very extensive.
你问题的第一部分，我要说的就是我们的研究非常广泛。
Not only are the means of arriving at the holiday paradise entirely within one's own command and keeping,
完全在自己掌握之中的私人汽车不仅是到达假日天堂的工具，