Acacin
[化] 金合欢胶
🗣️ 情景例句
Well, what do you think?
嗯，你觉得怎样？
Steady wins the race.
从容就是赢得比赛的诀窍。
One is the general atmosphere of secrecy in which it is carried out,
一是科研工作中普遍存在的保密气氛；