Vectron
超高频频谱分析仪
🗣️ 情景例句
Can you hand me that ... please?
你能给我递过来……吗？
The first step is as good as half over.
第一步的成功等于事情的一半已完成。
Duck your head as you go through the door there.
经过那儿的门时，请将头放低。