大学英语(第三册) 第19课
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- 释义:
- n. 用法说明; 指示
- 构词:
- instruct[v.教,教授;命令,指示]+ion表名词→n.教授;指导;[n.]用法说明[书],操作指南
- 例句:
-
First we have to lift the level of instruction.
首先我们得提高教学水平. 换一句 -
He turned a deaf ear to the instruction given by his teacher.
他对老师的教导塞耳不闻. 换一句 -
The instruction should be carried out without any reservation.
应当不折不扣地执行这个指示. 换一句
您还可以临摹下单词:
instruction
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- 释义:
- vt. 教导; 训导; 指示; 通知
- 构词:
- in进+struct建立,结构→把知识建立进去→指导,指示
- 例句:
-
We should instruct the passengers what customs regulations are.
我们应该向乘客说明海关规则是什么. 换一句 -
The college will need an additional teacher to instruct the boys in cooking.
这所技术学校需要增加一名教员来向学生传授烹调技术. 换一句 -
The old workers instruct the young workers not only in words but in deeds.
老工人对青年工人不仅言传而且身教. 换一句
您还可以临摹下单词:
instruct
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- 释义:
- n. 泻药
- 构词:
- purge[v.清洗,洗涤]+ative物→n.泻药
- 例句:
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The doctors attempted to reduce his high fever by inducing diarrhea with a purgative.
医生们尝试用通便药物催泻以使他退烧。 换一句 -
This oil acts as a purgative / has a purgative effect.
这种油有催泻作用. 换一句 -
Causing evacuation, especially of the bowels; purgative.
排泄的,排除的引起腹泻, 尤指肠泻的; 净肠的. 换一句
您还可以临摹下单词:
purgative
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- 释义:
- adj. 酸的; 酸味的; 尖刻的; 讥讽的
n. 酸; 酸性物质
- 构词:
- acid尖,酸,锐利→adj.酸的
- 例句:
-
Below his preternatural affability there is some acid and steel.
在他异常和蔼可亲的表情之下,有着尖刻和钢铁般的坚毅. 换一句 -
This chemical acts a part of an acid in our experiment.
这种化学药品在我们的试验中起酸的作用. 换一句 -
Handle with care, or the acid may get out.
小心轻放, 否则酸会溢出来. 换一句
您还可以临摹下单词:
acid
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- 释义:
- adj. 传染性的; 流行性的
n. 流行病
- 构词:
- epi在……周围+dem人民+ic……的→在人民周围→流行的
- 例句:
-
A typhus epidemic struck in the winter of 1919–20.
1919至1920年的冬天斑疹伤寒症流行. 换一句 -
The Sanitary Board tries to stamp out the epidemic.
卫生局试图消灭这种流行病. 换一句 -
In a worst - case scenario, the disease will reach epidemic proportions.
最坏的情况是这种病流行开来. 换一句
您还可以临摹下单词:
epidemic
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