Mellitene
[化] 六甲苯
🗣️ 情景例句
You'll see a stop sign.
会看到有个停车再开标 。
For my math requirements, I'll be taking algebra, calculus, and trig.
数学的必修学分预定选代数、微积分、三角法。
it was not long before its use as the uniquely recognizable broadcasting frequency for interstellar communication was suggested.
提出把它作为星际间唯一可辨认的广播频率就为期不远了。