Cyclopropene
环丙烯
🗣️ 情景例句
You said it.
你说对了。
Mere words will not fill a bushel.
空言无补。
Frank smiled when he remembered his hard early years and the long road to success.
弗兰克回想着他早年的艰难经历和走过的漫长的成功之路，微笑了。