Formamine
甲醛胺, 六亚甲基四胺
🗣️ 情景例句
young and old.
不管是年轻的， 还是年老的。
Our own actions are our security,not others' judgements.
我们的行为是自己的保证，并不是旁人的鉴定。
so that the rabbit population was unlikely to be completely exterminated.
所以兔子不可能被完全消灭。