一些毒气分子附着得比较厉害，以至于他们在圆柱中穿行的速度比其他分子慢得多。
Some gases stick more than others, and hence travel more slowly down the column.
由于细胞膜为类脂质，脂溶性药物的扩散比相对的非脂溶性药物更快些，小分子的透膜速度也要比大分子快。
Because the cell membrane is lipoid, lipid-soluble drugs diffuse more rapidly than relatively lipid-insoluble drugs. Small molecules tend to penetrate membranes more rapidly than large ones.
由于细胞膜为类脂质，脂溶性药物的扩散比相对的非脂溶性药物更快些，小分子的透膜速度也要比大分子快。
Because the cell membrane is lipoid, lipid-soluble drugs diffuse more rapidly than relatively lipid-insoluble drugs. Small molecules tend to penetrate membranes more rapidly than large ones.
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