Tolan
n. [化]二苯乙炔
🗣️ 情景例句
How would you like your steak done?
您的牛排想要几成熟？
The electrician wears rubber shoes on the job.
电工在工作中穿着绝缘鞋。
During a second trip to the USA in 1912.
在1912年第二次赴美期间。