Injection moulding - 英语单词详解·释义·助记·例句

🧩 词语组成解析

injection [ɪn'dʒɛkʃən]

n. 注射;注射剂;[医]充血;（卫星等的）入轨;

in向内，进入+ject投掷，扔+ ion名词后缀 → 向内投掷 → 注射

moulding [['məuldiŋ]]

n. 模制, 浇铸\\n[医] 儿头变形; 塑型

Thanks a lot.

多谢。

How much is it to rent an economy car?

租一辆经济车要多少钱？

It is the natural frequency of emission of the hydrogen atoms in space and was discovered by us in 1951;

这个频率是空间氢原子释放的自然频率，是在1951年被人类发现的。

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