Urac
脲-醛类树脂粘合剂
🗣️ 情景例句
Any trouble with them?
有什么问题？
He's been out of a job for months.
他已经失业好几个月了。
and another group were disturbed for an equal period of time but when they were no exhibiting eye-movements,
另一组人也是连续几夜被叫醒，但是在眼球队没活动时被叫醒的。