float

他把瓶子扔进波浪中，看着它漂向大海。

He tossed the bottle into the waves and watched it ___float out to sea.

木头能在水上漂浮。

The wood can ___float on water.

洁白的云朵在蔚蓝的天空中漂浮。

White clouds ___float in the blue sky.