n.阻塞；闭合；结渣
动词clog的现在分词形式.
Sprinkled grains would float away, tickling noses and clogging vents. 但洒出的颗粒会随处飘散，让鼻子发痒同时阻塞出气口。
David had the part sent to him, and he carried it in his jacket pocket until Pratt & Whitney engineers devised a way to keep the part from clogging oil lines. 大卫让人把该部件拿来给他并揣在夹克口袋里直到公司研制出防止该部件阻塞油路的方法为止。
vt.使通畅；排除(困难)；去除(障碍)
