孩子们在浅水区玩耍，发现了一个半淹没的漂流木。

The kids found a ___half-submerged piece of driftwood while playing in the shallow water.

远处的船只看起来半隐半现，仿佛漂浮在雾中。

The distant ship appeared ___half-submerged, as if floating in the fog.