Thumbsucking
(thumbsuck 的现在分词) 猜测；估计
🗣️ 情景例句
Something blue.
蓝色的东西。
A person must strain one's ears to hear a wild animal in the forest.
在森林里，人类必须对野兽竖起耳朵才行。
See you. Bye.
到时候见。再见。