n. 血, 血统, 流血, 气质, 生命 vt. 使出血, 用血涂
As communities diversified, mutual support could have broadened to include individuals not linked by blood.
四级 · CET-4 2026年6月 第1套
“Starting in late life is better than not starting at all, but starting in mid-life seems to offer a larger benefit.” K) Although it is not entirely clear why exercise helps put off or prevent Alzheimer’s, Knopman said it’s likely that exercise maintains good blood flow to the brain.
四级 · CET-4 2026年6月 第2套
One researcher believes that exercise may keep the brain well supplied with blood.
四级 · CET-4 2026年6月 第2套
Sudden increases in blood sugar cause the release of insulin (胰岛素) to bring it back down to a stable level.
四级 · CET-4 2025年6月 第2套
Diets high in fibre have been linked to a lower risk of developing heart disease, stroke, high blood pressure and diabetes, and it’s recommended adults consume 30g per day.
四级 · CET-4 2025年6月 第2套