Spiro[4.5]decane
[化] 螺[4.5]癸烷
🗣️ 情景例句
to meet the rest of the troop at two o'clock at the museum.
我们得在两点钟到博物馆与其他童子军会合。
I bought 3 pounds of flour.
我买了三磅面粉。
I'm feeling thirsty, too! said Meimei. Look, it's noon already! Let's go and have a drink!
“我也口渴了！”梅梅说，“瞧，已是中午了！我们去喝点东西吧！”