shift left

• 左移位,左进位

shift left的用法和样例：

例句

1. Operator to perform arithmetic left shifts on integral values.
   运算符对整数值执行数学左移位。
2. In abdominal wall malformations such as gastroschisis and omphalo-cele, the heart may be shifted to the left as well.
   腹壁异常，如腹裂畸形和脐膨出也能导致心脏向左移位。