Butylethylene
[建] 丁基乙烯, 己烯
🗣️ 情景例句
It's almost lunchtime, and no fish yet.
差不多到午餐时间了， 还没钓到鱼。
An empty purse frightens many friends.
曩中无分文，亲友不上门。
After the War of Independence ended, New York became the capital of the USA for a short time (1789-90) before Washington, D.C.
独立战争结束以后，在华盛顿成为首都之前，纽约市曾经一度是美国的首都，不过时间很短（1789-90）。