The modern weather models work with a grid of points of the order of 60 miles apart, and even so, some starting data has to be guessed, since ground stations and satellites cannot see everywhere.

work ^{v.(of a machine, device, etc) function; operate （指机器、设备等）运作，运转}

• This machine works by electricity.^{靠电力运作}
• The delete key doesn't work.^不起作用

grid ^{n.a pattern of straight lines that cross each other to form squares （地图上的）坐标方格}

• Streets laid out on a grid pattern.
• The city has streets laid out on a grid pattern.^{街道按网格模式布置}
• We located the position on the grid.^坐标方格

of / in / on the order of...  ^{大约、大概(approximately)}

• a figure in the order of $7 million
• Her salary is of the order of $150 a week.
• And the available volume is on the order of meters cubed. ^{整个可用的空间体积有立方米的数量级。}
• They borrowed something in the order of $10 million. ^{他们大约借了一千万美元。}
• But is this simply part of the order of Nature? ^{但这是自然法则吗？}
• The house cost him something on the order of $200,000.

starting ^{adj. beginning 最初的}

• ...some starting data^{一些初始数据} has to be guessed...

But suppose the earth could be covered with sensors spaced one foot apart, rising at one-foot intervals all the way to the top of the atmosphere.

space ^{v.将...均匀隔开}

• Space your workouts two days apart to avoid sore muscles.
• Bean plants should be spaced three inches apart.^{应该间隔三英寸}
• The columns are spaced evenly along the wall.

all the way ^一直...

• He ran all the way home.^{他一路跑回家}
• Eventually the turtle has been butted all the way down to the floor of the tank.
• The noise could be heard all the way down the street.^{在整条街上都能听到}

Suppose every sensor gives perfectly accurate readings of temperature, pressure, humidity, and any other quantity a meteorologist would want.

reading ^读数

• read the meter ^查表
• The nurse took the patient's vital readings.^{生命体征读数}
• We need to take the meter reading before leaving.

(Suppose) Precisely at noon an infinitely powerful computer takes all the data and calculates what will happen at each point at 12.01, then 12.02, then 12.03...

Precisely at noon ^{正午时分(12点整)}

• Precisely at two-thirty someone knocked on the door. Lamar opened the door. ^{两点半的时候，有人敲门。拉马尔开了门。}
• It is precisely at this juncture that the boss finds himself in double jeopardy. ^{恰恰在这个关键时刻，上司发现自己处于进退两难的境地。}
• It is difficult to measure the density of rocks precisely at every part of the mountain region. ^{而要准确的测定各部分岩石密度又是十分困难的。}

infinite ^{无限的，无穷的；无数的；极大的}

• The universe is infinite.^无限的
• The technology has been working well for me at the office, but there are infinite applications. ^{这项技术在我的办公室里运行得很好，但它有无限的应用。}
• Never lose your heart and continue to explore life since it is full of infinite possibilities. ^{永远不要灰心，要继续探索生活，因为它充满了无限的可能。}

calculate ^计算

• Can you calculate the total cost of these items? ^{你能计算出这些物品的总成本吗？} 
• Can you work out the total cost?