Catalyst density under pressure
[建] 加压下催化剂密度
🧩 词语组成解析
under
['ʌndɚ]
prep. 在…下面，在表面之下;在…的假定表面或掩饰下;少于，小于;在…情况下;
adv. 在下面;少于;在水下;在昏迷中;
adj. 较低的，下面的;
🗣️ 情景例句
Mary, we're going to miss you.
玛丽，我们会很想你的。
She's a sweet woman, don't you think so?
她是可爱的女人，你不觉得吗？
First the electroencephalograph (which is simply a device for recording the electrical activity of the brain by attaching electrodes to the scalp) shows that while there is a change in the pattern of activity during sleep,
第一点，脑电图记录仪（不过是一种把电极接到头皮上记录脑电活动的仪器）显示，人在睡眠时大脑活动的方式有变化，