drift与float均有“漂流、漂浮”之意。
drift : 多指在外力作用下随风或顺水飘荡，表示动态。
- No one noticed that the boat had begun to drift out to sea.
没有人注意到船已经开始漂向大海了。 - A mist drifted in from the marshes.
一阵雾气从沼泽地里飘过来。 - After the band stopped playing, people drifted away in twos and threes.
乐队演奏结束后，人们便三三两两地散去了。 - The talk drifted aimlessly from one subject to another.
谈话漫无目的地从一个主题转向另一个主题。
float : 可与drift换用，但侧重指因有液体或气体所支持而不下沉，可表动态或静态。
- An empty bottle will float.
空瓶子能浮起来。 - You can float very easily in/on the Dead Sea because it's so salty.
因为死海含盐量很高，人可以轻松浮在水面上。
