Micronephelometer
微量散射浊度计
🗣️ 情景例句
I hope that someday maybe you'll be able to visit my family in Beijing.
我希望将来有一天，你可以来北京到我家里作客。
Progress is the activity of today and the assurance of tomorrow.
进展即今日的活动和明日的保证。
and that this happens at a rate which differs little from person to person,
衰老的速度在人与人之间相差甚微，