您要查找的是不是：
- STATEMENT BY JOHN BAILEY, EVP FOR SCIENCE COSMETIC, TOILETRY, AND FRAGRANCE ASSOCIATION ON CAMPAIGN FOR SAFE COSMETICS REPORT ON LEAD IN LIPSTICK Lead is found naturally in air, water, and soil. 声明两年前，科学的执行副总裁 化妆品，化妆品，香水和结社 广告系列化妆品的安全报告，带头口红 铅是发现自然空气，水和土壤。
- The horse forged ahead the lead in the homestretch. 那匹马在最后阶段突然加速跑到前面。
- Shirley will try out for the lead in the play. 雪莉将参加该剧主角的选拔演出。
- He sucked in air, then went under the water again. 他深深吸了一口气又潜到水里。
- The team recovered its lead in the second half. 该队在下半场重新领先。
- Alice has the lead in the school play. 艾丽斯在学校演出的戏剧中担任主角。
- Designed to operate on land, water, or in air. 长于陆海空作战的，三栖的可在陆上、水上或空中操作的
- Who is playing the lead in the play? 谁在戏里扮演主角?
- Keep your dog on the lead in public places. 在公共场所你得用皮带牵著狗。
- You must keep your dog on a lead in the park. 在公园里要牵著你的狗。
- How much does sound travel faster in water than in air? 声音在水中比在空气中传播快多少？
- Japan has taken the lead in car production. 在汽车生产方面日本占首位。
- He's playing the lead in the new play. 他在新戏中担任主角。
- The speed of sound in water is about four as great as in air. 声音在水中的速度是空气中的四倍左右
- Followed his sister's lead in running for office. 步他姐姐的后尘竞选这一公职
- Exhaust gas has been incriminated in air pollution in cities. 废气已过视为城市空气污染的原因。
- She crawled onto the river bank and lay there gulping in air. 她爬上河岸,躺在那里喘着大气。
- Charlton Heston took the lead in many films about the bible. 在许多有关圣经故事的电影中，查尔顿·赫斯顿都担任主角。
- The chairman led in with some apologetic remarks. 会议主席一上来就说了几句抱歉的话。
- What is the percentage of nitrogen in air? 空气中所含的氮的比例是多少?
