Hafnyl
铪氧基
🗣️ 情景例句
I remember now.
我现在记起来了。
I told him to come in while waiting.
我告诉他进来等一下。
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。