hand calculator

常见例句

Hand calculations or computer analyses may be done to determine the adequacy of a person's diet.
人工计算或计算机分析都可以用于确定一个人饮食的充足性。
His sooty hand smudged the paper.
他被煤烟熏污的手把纸弄脏了。
The children walk down the street hand in hand.
孩子们手拉手地在街上散步。
The teacher asked the pupil to put his hand down.
老师叫这个小学生把手放下。
She picked up a new magazine with her free hand.
她用空着的一只手拿起一本新杂志。
My father is a dab hand at baking bread.
做面包是我父亲的拿手好戏。