Delanium
[机] 人造石墨
🗣️ 情景例句
Americans consider it extremely bad manners to be late.
美国人认为迟到是一种极不礼貌的做法。
How much does packing take up of the total cost of the goods?
包装占货物总成本的百分比是多少？
Congratulations on you success.
祝贺你的成功。