Observing
a. 注意观察的, 留心的, 观察力敏锐的
✅ 同义词
🗣️ 情景例句
It's nice to see you again.
再次见到你，真是太好了。
He sketched his own part in the affair.
他概述了自己在此事中的作用。
An advertisement which begins with the magic word FREE can rarely go wrong.
凡是用“免费”这个神奇的词开头的广告很少会失败的。