register ·noun (LANGUAGE STYLE)
Definition: the style of language, grammar, and words used in particular situations Level: C1
这篇学术论文要求使用正式的语域，避免口语表达。
The academic paper required a formal ___register, avoiding colloquial expressions.
短信通常使用非正式的语域，带有缩写和表情符号。
Text messages often use an informal ___register with abbreviations and emojis.
一位熟练的公共演讲者能调整自己的语域以适应不同的听众。
A skilled public speaker can adapt their ___register to suit different audiences.