Zhè / zhǒng / qì / tǐ / jí / shǐ / dá / dào / hén / liàng / yě / kě / néng / yǐng / xiǎng / shí / yàn / jié / guǒ。这种气体即使达到痕量,也可能影响实验结果。Even trace amounts of this gas may affect the experimental results.