在水上

In case of a water landing, you may be used as a flotation

由于要在水上降落，你可能要被当作漂浮装置

Landing, you may be used as a flotation device.

万一要在水上降落，你们可能会被当作漂浮装置。

A flying boat is an aeroplane that can land on water.

飞船是能在水上降落的飞机。

When you swim freestyle you like to have high elbows on top of the water and underneath the water.

当你游自由泳时，你在水上和水下都要抬高肘部。

You will go, we will go together,over the waters of time.

你将去，我们就一起去，在水上的时间。

The grebe is also called a water gourd because with its short, round body, it floats on the water just like a gourd.

小又名水葫芦，因体形短圆，在水上浮沉宛如葫芦而得名。

Yet, it is not a houseboat one finds in tourist destinations across the world which make up for floating hotels.

是一个你能悠闲地生活在水上的理想场所！

Life vest will help you float in the water.

救生衣可以让你在水上漂浮。

The oil rises to the top and the water sinks because oil has a lower specific density than water.

因为油的密度小，所以油会浮在水上。

A road that is raised above water or marshland or sand.

一种在水上或沙滩或沼泽上的通道。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。