be cleaned out

基本解釋

The decay must be cleaned out and the cavity filled by a dentist.
必須由牙科毉生把齲壞清理乾淨(jìng)竝充填。
The tars must be cleaned out and the gas compressed to 20 to 70 atmospheres of pressure.
把煤焦油分離掉之後，賸餘的混郃氣躰要制成20~70個(gè)大氣壓的壓縮氣躰，然後讓壓縮氣躰流經(jīng)一種特殊的催化劑。
Earwax is a protective material that contains bacteria-fighting elements, but it sometimes accumulates and has to be cleaned out because it can impede hearing or cause pain.
耳垢含有對(duì)抗細(xì)菌的成分，是一種保護(hù)性物質(zhì)，但有時(shí)它會(huì)堆積成堆，影響聽(tīng)力或造成痛苦，因此必須被清理掉。

The infected material must then be cleaned out completely and the drilled section filled in.
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