v.保持在……水平以下

buckling under───屈从；屈服

bubble under───v.保持在……水平以下

bubbled under───v.保持在……水平以下

bubbles under───v.保持在……水平以下

knuckling under───屈服，让步；认输

bubbling up───往上冒泡；沸腾

bubblegummer───泡泡糖

buckle under───屈从；屈服

buckled under───屈从；屈服

Here are two records that are bubbling under.───这两张唱片将会走红。

Some obvious uses for these systems—such as mobile digital payments—have been bubbling under for several years.───这类系统的典型应用-如移动数字支付-在多年前已经开始萌芽。

The collision of lips and tongues that we often take for granted has a whole lot more bubbling under the surface than what meets the eye.───我们大都认为，接吻是理所当然的，而且嘴唇与舌头的美妙碰撞与缠绵，远不是仅仅眼神的交流就能达到的，相较之下接吻蕴含的意味更丰富。

This is our list of tracks bubbling under — songs that may soon be in the Top 20.

Two more potential crises are bubbling under the surface.

There's a dance culture and lifestyle in Swindon bubbling under the surface just waiting for recognition.