Tooth mousse, it's meant to protect the enamel on your teenth.

护牙素，用来保护牙釉质的。

To have lived a free life in London in the six teenth century would have meant for a woman who was poet and playwright a nervous stress and dilemma which might well have killed her.

在 16 世纪的伦敦过着自由自在的生活，对于一位身为诗人和剧作家的女性来说，意味着一种紧张的压力和两难境地，这很可能会要了她的命。