Transonic speed
[電] 近音速
?? 詞語組成解析
a. 跨音速的
speed
[spid]
n. 速度;快速;昌盛;（汽車的）變速器，排擋;
vt.& vi. 急行，加速;
vi. 超速;加速;迅速前行;興隆;
vt. 加快…的速度;使成功，使繁榮;
??? 情景例句
That's it. That's it.
對了， 就這樣。
Life without friend is death.
沒有朋友的生活便等于死亡。
The gaoler looked on eagerly, anxious to see if his fellow actor had at last learnt his lines.
獄卒熱切地觀察著，急于想了解他的同事是否記熟了臺詞。