| 释义 |
bob up
collocation
If something bobs up, it moves quickly in an upwards direction, especially so that it appears on the surface of water or liquid:
I dropped the bottle into the water and watched it bob up to the surface a moment later.我把瓶子丢进海里，观察到它一会儿又浮到水面上来了。
The dogs inside the car kept bobbing up at the rear window.
See
bob
If the meat bobs up in the liquid, put a plate on it to keep it down.
The sleek dark head of a seal bobbed up just a short distance from where they were swimming.
I watched his Adam's apple bob up and back down.
SMART Vocabulary: related words and phrases
Moving quickly
agility
beetle
belt
bowl down/along something
cannonball
careen
gallop
gun
leg
make good timeidiom
make hasteidiom
make off
outrun
outrush
outsail
pelt
rush
scorch
scuttle
shoot
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