常見例句雙語例句Workers who remove the metals often have no protective equipment and breathe in high levels of toxic chemicals, which are then released into the atmosphere.工人經(jīng)常是在沒有保護(hù)設(shè)施的情況下做清除金屬的工作，吸進(jìn)高度有毒的化學(xué)物質(zhì)，這些化學(xué)物質(zhì)又被排放到空氣中。 返回 protective atmosphere equipment