The key to these tiny batteries is their architecture.
这种缩微电池的关键在于他们的结构构架。
In my case, it was a tiny accident; when I tried to open the door to go to work, the key broke off in the lock.
我出的是一点儿小事，早上开门去上班时，我的钥匙断在锁里了。
In my case, it was a tiny accident; when I tried to open the door to go to work, the key broke off in the lock.
我出的是一点儿小事，早上开门去上班时，我的钥匙断在锁里了。
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