Astm octane number (research method)
[化] ASTM辛烷值(研究法)
🧩 词语组成解析
[化] 美国材料试验学会
n. 辛烷\\n[化] 辛烷; 正辛烷; 辛烷; 辛级烷
🗣️ 情景例句
When would you like to return?
你打算什么时候回来？
You can stay as long as you pay the rent on time.
只要你按时交房租，你就能住这儿。
We had a very nice time.
我们过得非常愉快。