That's not allowed. Once you are in here, listen to your teacher.
那是不允许的。一旦进来了，你们要听老师的话。
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
adv. 一次，一趟;一倍;曾经;一旦;
conj. 一旦…就…;一经;
n. 一次，一回;
💡 on=one一+ce次 → 一次
"Once in the bloodstream, the bacteria adhere to the surface of the red cells."
细菌一进入血液里，就附着在红细胞表面上。
近义：heretofore, occasionally, onetime, previously, sometimes, thereinbefore
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
vi. 倾听;留心听;听信;（让对方注意）听着;
n. 听，倾听;
💡 听字右边的一(l)斤是(is)十(ten)两 李(li)老师(s)的课我听过十(ten)回
"Listen to the counsel of your elders."
要听从长辈的忠告。
近义：hear, hearken, hark, harken, heed, heigh
allowed
[ə'laʊd]
adj. [计]容许的;
v. 允许( allow的过去式和过去分词 );承认;酌增;接受;
"Only accredited journalists were allowed entry."
只有正式认可的记者才获准入内。
近义：approved, licensed, passed, permissible, permitted, unforbidden
反义：banned, restricted, barred, taboo, tabu, unallowed