Diacetylene
联乙炔, 丁二炔
🗣️ 情景例句
A taxi can get you there in less than five minutes.
乘坐的士到那儿不用5分钟。
To show our gratitude to all of you for being our reliable business partners.
为表达我们对你们——我们值得信赖的生意伙伴的感谢。
I limited myself to two modest ambitions: to do physical exercise every morning and to read more of an evening.
我深知这些问题，于是，今年我对自己的计划要严加保密，只给自己定下两项适中的任务；每天早上锻炼身体，每天晚上多看点书。