Microspectrograph
显微摄谱仪
🗣️ 情景例句
and check on your mother and the baby.
问问你母亲和孩子的情况 。
He who does not advance falls backward.
不进则退。
She was thinking that she must reprimand her home help the next morning for such a monstrous piece of negligence,
她心想明天上午一定要好好训斥那个干家务的帮手，她竟如此疏忽大意。