Polydialkysiloxane
聚二烷基硅氧烷
🗣️ 情景例句
And besides,
更何况，
Slowly, stricter laws and regulations are being passed by Congress.
慢慢地，在国会表决通过了更严厉的法律法规。
Last summer it was very dry, too.
去年夏天也是干得很。