Cynoguanidine
[机] 二氰氨
🗣️ 情景例句
I love walking in the rain.
我喜欢在雨中散步。
The heart of the giver makes the gift dear and precious.
赠予者的心意可使馈赠的东西增加价值而显得珍贵。
Everyone knows that if he shouts in the vicinity of a wall or a mountainside, an echo will come back.
大家都知道，在墙壁或山腰附近发出的喊声，就会听到回声。