Operose
a. 费力的, 吃力的, 勤勉的, 用功的, 冗长乏味的
🗣️ 情景例句
When did you buy a house?
那你们在什么时候买房子呢?
The chemist discovered a new synthetic material.
化学家发现了新的复合物质。
You can imagine how useful this is, particularly in countries like China and Japan, which use written characters not letters.
你可以想像得到，特别是在中国和日本这些使用文字而不是字母的国家，这是多么有用处！