| 单词 | light signal |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔channel〕A sensor channels the light signal along an optical fibre.传感器沿光导纤维输送光信号。牛津高阶〔impulse〕The eye converts light signals to nerve impulses.眼睛把光信号转变成神经冲动。朗文当代〔signal〕A light signal can travel well over 16 km before it halves in intensity.光信号传播 16 公里以上强度才会减半。牛津搭配 |
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