Heterocomplex
杂合物
🗣️ 情景例句
It's no big deal.
没什么大不了的。
Soon learnt, soon forgotten.
学得快，忘得快。
An electric razor that meets the European Union's safety standards must be approved by American testers before it can be sold in the United States,
一把符合欧洲联盟安全标准的电动剃须刀必须得到美国检测人员的认可，方可在美国市场上销售；