【正文】
unsen burner Since you are interested in doing scientific experiments, now let’s get to know some vocabulary and knowledge related to science and experiment. Potassium (鉀) Sodium(鈉 ) Calcium(鈣 ) Magnesium(鎂 ) Aluminium (鋁) Zinc (鋅) Iron (鐵) Copper (銅) 英語(yǔ)中基數(shù)詞、序數(shù)詞、分?jǐn)?shù)、小數(shù)和百分?jǐn)?shù)的讀法 : A. 先說(shuō)“幾十”, 再說(shuō)“幾”,中間用連字符。 另外 , 還有幾個(gè)特殊表達(dá)的情況 : 1/2 1/4 1/3 3/4 2/3 A half is the same as 50 percent. one half one quarter one third % r:recurring three quarters two thirds % 50% 25% 75% 百分?jǐn)?shù): percentage 5) 百分?jǐn)?shù)的讀法 27% — 45% — 86% — twentyseven percent fortyfive percent eightysix percent Can you say the following in English correctly? 1,000 2,000 12,000 112,000 796,000 one thousand two thousand twelve thousand one hundred and twelve thousand seven hundred and niy six thousand 879,457 eight hundred and seventynine thousand, four hundred and fiftyseven 1