🧩 词语组成解析
a. 趋集于一点的, 会聚性的, 收敛的\\n[医] 会聚的, 集合的
thinker
['θɪŋkɚ]
n. 思想家;思考者;
🗣️ 情景例句
I haven't had a minute to relax all day.
我今天连一分钟都没休息。
I'm playing ping-pong downstairs.
我在楼下打乒乓球。
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，