Tritane
三苯甲烷
🗣️ 情景例句
She sounds upset.
她听起来有点不对劲。
Kept waving to her mother until the train was out of sight.
不断地冲她的母亲挥手，直到火车驶出了视线。
Look! It's inside another pot. What was that pot used for?
“瞧！还是大壶套小壶呢。有什么用途？”