Cosigns
v. 联合署名, 联署保证( cosign的第三人称单数 )
🗣️ 情景例句
Good luck! And stop worrying!
祝你好运， 别再担心！
Whom God would ruin, he first deprives of reason.
伤天害理，天诛地灭。
Ethanol is more effective at a concentration of 50-70 percent;
乙醇的浓度为50％至70％时比较有效，