请输入您要查询的词汇:
词汇
before
释义
before
[bi'fɒ:]
prep.
在...之前
conj.
在...之前
ad.
在前
【经】 临
相关词组:
put sth before everything
would die before yielding
look before and after
随便看
signal space
signal's signal
signal standardization
signal station
signal stimuli
signal strength
signal-strength meter
signal supervisory control
signal symptom
signal synchronization
signal system
signal-to-crosstalk ratio
signal-to-distortion ratio
signal-to-interference ratio
signal to noise ratio
signal-to-noise ratio
signal tracer
signal tracing
signal tracing instrument
signal transformation
signal unit format
signal voltage
signal-wave
signal-wave evelope
signal when connected
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