Diphenyldiimide
二苯基二酰亚胺
🗣️ 情景例句
Lacks confidence and poise is nervous and ill at ease.
信心不足，不够自信，精神紧张，心神不定。
Time discloses (or reveals) all things.
时间会暴露一切。
How late do you plan to be?
你们预计延迟多久？