For instance, although cockroaches have a fantastic memory, he says, trying to teach them is futile when they have bits of their body missing.
他举例说，虽然蟑螂记忆力惊人，但假使身体某部份残缺，尝试教牠们任何事情都徒劳无功。
Scientists have known for a while that when a body becomes starved for sustenance, cells start eating bits and pieces of themselves.
科学家们已经知晓当人体开始“饿求”食物时，细胞就会开始一点一点地吞噬自己。
The human body regrows its outer layer of skin every two to four weeks, and bits and pieces of the old skin break off - to become dust.
人体皮肤外层每2至4周更新一次。老化的皮肤将会脱落，成为灰尘的一部分。
One time loads of bits appeared on his inner arms, side of the body and thighs, some of which were itchy, others were just like tiny blackheads.
有一次，他的胳膊内侧、身体两侧和大腿上出现了许多小疙瘩。有些疙瘩痒，有些就像是小黑头。
One time loads of bits appeared on his inner arms, side of the body and thighs, some of which were itchy, others were just like tiny blackheads.
有一次，他的胳膊内侧、身体两侧和大腿上出现了许多小疙瘩。有些疙瘩痒，有些就像是小黑头。
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