1. His promotional chances were spiked. 他被提升的所有机会全都错过了。
2. The tip of the spike mutates continually, which means that flu vaccines must be redefined every year. 这种刺突的尖端不断变异，这意味著流感疫苗必须每年重新修改。
3. After consumption, these foods quickly turn to glucose causing a spike in blood sugar which causes rapid weight gain. 消耗后，这些食物很快就会转向血糖造成血糖迅速增加这将导致体重快速反弹。
英英解释
n.
1. a transient variation in voltage or current
2. sports equipment consisting of a sharp point on the sole of a shoe worn by athletes
3. fruiting spike of a cereal plant especially corn
4. (botany) an indeterminate inflorescence bearing sessile flowers on an unbranched axis
5. a sharp rise followed by a sharp decline
6. a sharp-pointed projection along the top of a fence or wall
7. a long sharp-pointed implement (wood or metal)
8. any holding device consisting of a sharp-pointed object
9. a long metal nail v.
1. stand in the way of
2. pierce with a sharp stake or point
3. secure with spikes
4. bring forth a spike or spikes
5. add alcohol to (beverages)
6. manifest a sharp increase
