Octafluorocyclobutane
[化] 八氟環(huán)丁烷; 氟利昂C318
??? 情景例句
You know, when I was your age,
要知道 ，當我像你這么大的時候，
He's been behind bars for almost 30 years.
他坐了將近30年牢。
The world had to wait almost another 100 years for the Channel Tunnel.
世界不得不再等將近100年才看到海峽隧道竣工。