Diphenylene
二苯撑
🗣️ 情景例句
Hi. I'd like to cash an American Express traveler's check.
嗨，我想兑换美国运通的旅行支票。
His controversial speech caused a wild discussion.
他们有争议的讲话引起了一场广泛的讨论。
When my husband was going into the dining room this morning, he dropped some coins on the floor.
今天早晨我丈夫走进饭厅时，把一些硬币掉在地上了。