Cerolysin
溶蜡素
🗣️ 情景例句
Is there anyone present who can show
在座可有人能提出
A book that remains shut is but a block.
有书闭卷不阅读，无异是一块木头。
But a watch could never repair itself----it does not consist of living parts,
但是，手表决不会自行修理，它不是由有生命的部件组成，