floricide

低频词

floricide (n.): "one who destroys flowers," 1842, from Latin floris, genitive of flos "flower" (see flora) + -cide.
[S]urely there is cruelty and gross selfishness in cutting down for our own fleeting gratification that which would have ministered to the enjoyments of all for weeks or months. Frankly do I confess that I dislike a wanton floricide. He has robbed the world of a pleasure; he has blotted out a word from God's earth-written poetry. ["New Monthly Magazine" 1847]

1. Most urban water supplies in the United States now contain fluoride in varying amounts.: 现在美国大部分城市供水中都存在含量不一的氟化物。

2. Fluoride damage is generally restricted to areas near manufacturing plants.: 氟化物的危害一般局限在制造厂的附近.

3. It'shows a thousandfold selectivity for fluoride over other common anions.: 它对氟离子的选择性比其它普通阴离子高几千倍.

4. Fluoride injury often is characterized by tip burn of leaves.: 氟化物危害的特点是叶片顶尖灼燃现象.