Speculating
v. 思索, 猜测, 推测( speculate的现在分词 ); 投机
🗣️ 情景例句
Don't talk with your mouth full.
嘴里满是东西时别说话。
He has been to America.
他曾去过美国。[表示曾经有过的经验]
Then he lent me a book.
之后还借给我一本书。