Alsever's solution
[医] 奥耳塞佛氏溶液(保存羊红细胞)
🧩 词语组成解析
🗣️ 情景例句
If you don't know a person's last name, use 'ma'am' or 'sir'.
如果你不知道一人的姓， 你应称呼他为 'ma'am' 或 'sir' 。
I've been looking forward to visiting your factory.
我一直都盼望着参观贵厂。
Lined up against the wall, there were long thin wires attached to metal spheres.
靠墙排列着许多细长的电线，而电线又连着金属球。