1.One day ,the diving athlete stood on the diving hathpace,but he didn't dare to dive.Why?

1.跳水运动员站跳台上，却不敢往下跳。这是为什么？

2.He hesitated before diving into the icy water.

2.跳进冰水之前他犹豫了阵。

3.The diving school has acquired a franchise for scuba equipment.

3.潜水学校获得潜水用水肺的特许营权。

4.The Pochard, the diving duck was thought to be extinct.

4.专家认为，潜鸭现灭绝。

5.The crowd enjoyed a diving display before the swimming races.

5.大伙儿游泳比赛前欣赏了跳水表演。

6.Diving into her bag, she found a handkerchief just in time.

6.迅速地的皮包里翻了下, 正好找到了手帕。

7.I first got hooked on scuba diving when I was twelve.

7.12 岁时我开始迷上了带水肺潜水。

8.It’s thrilling to see people diving into the sea from a cliff.

8.看人们从悬崖上跳入海里,真叫人胆战心惊。

9.The men are diving for pearls.

9.这些人正潜水采集珍珠。

10.The instructor tried to drive home to us the need for safety precautions before diving.

10.教练让我们充分明白跳水前采取安全措施的必要性。

11.You're diving from a small boat so you choose the seated backroll to enter the water.

11.你将从条小船上跳水，所以选择背向坐姿这姿势入水。

12.Minish the well space and increase transflux routeways upper backwater and driving, especially setup precipitation well and drain residual water at the bottom of diving layer.

12.减小井间距，增加上层滞水和潜水的入流通道，尤其要潜水含水层底板低洼处设置降水井将低洼处的残留水引走。