hand calculator

常見例句

Hand calculations or computer analyses may be done to determine the adequacy of a person's diet.
人工計算或計算機(jī)分析都可以用於確定一個人飲食的充足性。
His sooty hand smudged the paper.
他被煤菸燻汙的手把紙弄髒了。
The children walk down the street hand in hand.
孩子們手拉手地在街上散步。
The teacher asked the pupil to put his hand down.
老師叫這個小學(xué)生把手放下。
She picked up a new magazine with her free hand.
她用空著的一衹手拿起一本新襍志。
My father is a dab hand at baking bread.
做麪包是我父親的拿手好戯。