✅ 同义词
🗣️ 情景例句
Good morning, sir. May I help you?
早安，先生。能为您服务吗？
His parents anticipate Gary's return home will be soon.
凯利的双亲认为他不久就会回家。
Sometimes the secrecy goes to such an extent that the whole nature of the research cannot be mentioned.
有时，保密竟达到了这样的程度，即连研究工作的整个性质都不准提及。