您要查找的是不是：
- A carotenoid, it is a itamin A precursor, which the body conerts into itamin A. 一種類(lèi)胡蘿卜素，是維生素A的前體，在體內可轉化成維生素A。
- Choosing varieties that have this mutated gene can provide on average three-fold higher levels of provitamin A, the researchers said. 研究人員表示:從含有這個(gè)突變基因的品種中選擇能提供平均3倍更高水平的維他命原A.
- A carotenoid called lycopene, which tomatoes contain in abundance, appeared to be responsible. 這是因為番茄富含一種叫番茄紅素的類(lèi)胡蘿卜素。
- It‘s still founded that peas contains ample provitamin A which can convert into vitamin A in the body and thus in turn keep the skin replenished with moisture. 現代研究更是發(fā)現，豌豆含有豐富的維生素A原，維生素A原可在體內轉化為維生素A，起到潤澤皮膚的作用。
- They’re loaded with beta-carotene, a carotenoid that turns into the usable form of vitamin A in the body and can protect your heart and vision. 它們含有胡蘿卜素,一種能轉化成有用維生素A的類(lèi)胡羅卜素,可以保護心臟和視覺(jué)。
- Slow down aging with salmon. Salmon contains astaxanthin, a carotenoid that improves skin elasticity, so you'll have fewer fine lines. 使用鮭魚(yú)減緩老化。鮭魚(yú)中含有的蝦青素，一類(lèi)胡蘿卜素，可以改善皮膚彈性，因此你將會(huì )減少細紋。
- Macular Degeneration: a carotenoid called lutein - which is found mostly in leafy greens - may help prevent the deterioration of the retina that causes blindness in older people. 黃斑退化癥多數葉菜類(lèi)中均可發(fā)現的類(lèi)胡蘿卜素黃體素,可以幫助預防視網(wǎng)膜退化,這種疾病經(jīng)常造成老人失明。
- A common existing technique for assessing the provitamin A content of corn varieties can be prohibitively expensive for plant breeders, the researchers said, but the new one is vastly less expensive. 研究人員表示:對于植物育種來(lái)說(shuō);用現有通用的技術(shù)對玉米品種中的維他命原A含量進(jìn)行評估是過(guò)于昂貴的.;而新方法卻是大大地便宜了
- Tomato Sauce: Men who are tomato sauce two to four times per week had a 35 percent lower risk of developing prostate cancer than men who are none. A carotenoid called lycopene, which tomatoes contain in abundance, appeared to be responsible. 番茄醬：每周吃2－4次番茄醬的男性，患前列腺癌的可能性比不吃番茄醬的人少35%25，這是因為番茄富含一種叫番茄紅素的類(lèi)胡蘿卜素。
- There is a vein of melancholy in his character. 他的性格中有少許憂(yōu)郁的氣質(zhì)。
- Tomato Sauce: Men who are tomato sauce two to four times per week had a 35 percent lower risk of developing prostate cancer than men who are none. A carotenoid called lycopene,which tomatoes contain in abundance,appeared to be responsible. 番茄醬：每周吃2－4次番茄醬的男性，患前列腺癌的可能性比不吃番茄醬的人少35%25，這是因為番茄富含一種叫番茄紅素的類(lèi)胡蘿卜素。
- There was a long lag in forwarding mail to us. 轉寄給我們的郵件晚了很久才拿到。
- A bowl of hot chicken soup is good for you. 喝一碗熱雞湯對你有好處。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽團。
- A country must have the will to repel any invader. 一個(gè)國家得有決心擊退任何入侵者。
- A fire was burning in the grate. 火在壁爐中燃燒著(zhù)。
- They cleaved a path through the wilderness. 他們在荒原中開(kāi)辟出一條路。
- They denounced him to the police as a criminal. 他們向警方告發(fā)他是罪犯。
- This place doesn't have a very savory reputation. 這個(gè)地方的名聲可不太好。
- This strain of wheat can grow during a cold spring. 這種小麥可以在寒冷的春天生長(cháng)。
