Definite integral
[计] 定积分
🧩 词语组成解析
🗣️ 情景例句
Don't count your chickens before they hatch.
心急吃不了热豆腐。
Harry fears the worst.
哈里害怕最恶劣的事态。
On turning eagerly to the text, one learns that the lady was a typist who found the sound of office typewriters worried her more and more until eventually she had to go into a mental hospital.
当人们急切地看完正文后，便知道这位女子是个打字员，办公室打字机的声音使她越来越烦恼，最终住进了精神病医院。