sub-sonic
基本解釋
- 普通音速
英漢例句
- I had to sub for the referee, who was sick.
裁判病了，我得代為裁判。 - A trademark used for a sonic depth finder.
回音測深儀一種聲音測深儀的商標(biāo) - The sub can outrun any destroyer.
這艘潛水艇比任何驅(qū)逐艦航行得都快。 - I have to sub on her for the new car I want to buy.
要買那輛新車，我得向她借點兒錢。 - Pneumatic signals will travel only at sonic speeds.
氣動信號的傳輸速度僅僅相當(dāng)于音速。