1·What is the chemical symbol for copper?
铜的化学符号是什么?
—— 《牛津词典》
2·What's the chemical symbol for mercury?
水银的化学符号是什么?
—— 《柯林斯英汉双解大词典》
3·A symbol appears in the left upper quadrant of the screen.
一个符号出现在屏幕中扇形的左上方。
—— 《柯林斯英汉双解大词典》
4·In English, there is not a consistent one-to-one match between each written symbol and each distinct spoken sound.
在英语中,每一个书写符号和每一个独特的发音之间不存在固定的一一对应关系。
—— 《柯林斯英汉双解大词典》
5·The Universal Product Code symbol, also known as the 'bar code', is printed on products for sale and contains information that a computer can read.
通用产品代码符号,亦称“条形码”,印在出售的商品上,其中含有计算机能识别的信息。
—— 《牛津词典》