Eftir
abbr. emission Fourier transform infrared spectrometer 发射式傅里叶变换红外分光仪
🗣️ 情景例句
This weekend I'm going to install a home security system.
这个周末我要装一套家庭保安系统。
Does the back door have a lock on it?
后门上有锁吗?
Of all the planets in our own solar system,
在我们太阳系的所有行星中,
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