Don't touch anything unless your teacher tells you to.
除非老师允许,否则你不要动任何东西。
高一英语课文 Unit 2 In the lab

📚 句中词汇解析

从本句中提取的重要词汇

teacher ['titʃɚ] 词频1
n. 教师,教员,老师,先生;[航]教练机;
💡 teach教+er人 →教师
"The teacher listened to the children reading aloud ."
老师听着孩子们朗读。
近义:housefather, instructor, master, mentor, monitor, pedagog 反义:schoolboy, schoolchild, student, trainee, undergraduate, scholar
touch [tʌtʃ] 词频1
vt. 触摸;使某物与…轻轻接触;吃或喝,尝;[数]与…相切; n. 触摸,碰;触觉,触感;修饰,润色;痕迹; vi. 接触;联系;
💡 十条(t)轮船(ou)上的长椅(ch)前后 接触, 联系在一起 偷(tou)吃(ch-chi)的人在 触摸包子
"They embraced and promised to keep in touch."
他们互相拥抱,许诺将保持联系。
近义:reference, discuss, impact, impinge, impress, influence 反义:indurate, inure, steel, temper, harden
unless [ən'lɛs] 词频1
conj. 除非,如果不; prep. 除了,…除外;
"The cultural life of the country will sink into atrophy unless more writers and artists emerge."
如果没有更多的作家和艺术家出现,这个国家的文化生活将衰退。
近义:save, except
tells
v. 告诉;说(tell的第三人称单数)

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