Liquidensitometer
液体密度计
🗣️ 情景例句
He speaks French and English with equal ease.
他说法语和英语都一样自如。
On behalf of all the China National Packaging Import and Export Corporation employees invited tonight.
我代表被邀请的中国包装进出口公司全体员工。
He threatened to call the police.
威胁说要去叫警察。