The leaves make good salads when the plants are young, and the greens can be cooked when the plants are older.
VOA: special.2010.03.02
Another likely cause is a problem within the body's defenses against disease, when the defenses misunderstand signals and attack the body.
VOA: special.2009.01.06
The anti-malarial drug Chloroquine was widely used until recent years when the malaria parasite became resistant to the drug.
VOA: special.2010.04.20
He was about half way across the river when the tree trunk moved suddenly, John fell from it onto the ice.
VOA: special.2010.06.26
Experts say heat waves often become dangerous when the nighttime temperature does not drop much from the highest daytime temperature.
VOA: special.2010.07.27
It comes from earlier days when the Roman Catholic Church ruled that Catholics must not eat meat on Fridays.
VOA: special.2010.02.14
Farmers can start rotational grazing by removing animals from a pasture when the grass is eaten to less than 5 centimeters.
VOA: special.2009.01.06
When the electric current was on, the woman described seeing a presence or shadow nearby who did not speak or move.
VOA: special.2010.02.24
Some parents take their children's birthday parties very seriously, even when the child is too young to fully understand the celebration.
VOA: special.2009.09.11
When the plants are twenty centimeters high, tie the plants to a stick placed in the pot to support them.
VOA: special.2009.04.21
When the Virginians captured the town, they sent the equipment south, where it was used to make guns for Confederate soldiers.
VOA: special.2009.08.20
When the roots show through the holes in the bottom of the pot, transplant each seedling into a twelve centimeter pot.
VOA: special.2009.04.21
Four teachers and the first class of eighty young women lived and studied in the building when the school opened.
VOA: special.2010.06.27
In eighteen ninety, when the Silver Purchase Act was passed, the government held almost two hundred ninety million dollars in gold.
VOA: special.2010.06.17
应用推荐