Helicopters fly in appalling weather to succour shipwrecked mariners.直升机在恶劣的天气条件下起飞前去援救遇难的船员。The shipwrecked couple were rescued by two fishermen.遭遇海难的那对夫妻被两名渔夫救起。He was shipwrecked after visiting the island.他在到那个岛上观光后就遭...
He now called a varrable quantity a fluent and its rate of change , the fluxion.他现在把变量叫做流,变量的变化率叫做流数.Generally bite in the ankle, start to bend a knee, oppress blood vessel, reduce blood fluxion.一般咬伤在脚踝, 将膝盖屈起, 压迫血管, 减少血...