Propamidine
[医] 二脒二苯氧基丙烷
🗣️ 情景例句
And the telephone number is five five five…three oh nine oh. Thank you.
电话是555-3090。谢谢。
This year I'm in a co-ed dorm.
今年我住在男女生合住的宿舍。
Tie a heavy weight at the end of a long piece of string.
把一个重物拴在一根长绳子的一端，