Weissenberg diffractometer
[化] 魏森贝格衍射仪
🧩 词语组成解析
n. [光] 衍射计
🗣️ 情景例句
Second, we have to make an effort to encourage American companies to do business in our country.
第二，我们必须鼓励美国公司在我国开展业务。
To look up
仰视
He 'll come if he can.
如果可能，他会来的。