Zahl
单位晶胞分子数
🗣️ 情景例句
Here I am.
我在这儿！
Since we need the goods urgently, we must insist on express shipment.
由于我方急需这批货物，我方坚持使用快递装运。
At her London Hotel today Miss Marsh told reporters she might retire.
今天在伦敦旅馆，马什小姐告诉记者她可能要退休。