Mdi
[化] 二苯基亚甲基二异氰酸酯
🗣️ 情景例句
What a day!
今天好忙！
Channel 5 is off the air now.
五频道已经停止播放。
Thousands joined him when he led a march to the coast, with the purpose of making a little salt when he reached the sea.
为了生产一点盐，他带领游行队伍向海滨前进，当他们到达海滨时，成千上万的人参加了进来。