救生衣的设计是为了帮助你在水中保持浮力。

The life jacket is designed to assist with ___flotation in water.

这家新能源公司计划下季度进行首次公开募股。

The renewable energy company is planning its ___flotation in the next quarter.

这个救生圈提供了足够的浮力，让他在水里保持安全。

The life ring offers sufficient ___flotation to keep him safe in the water.