Chalastica
[医] 润滑药
🗣️ 情景例句
take a vacation away from the family--alone.
离开家人而单独在一起渡个假。
My coat is yellow.
我的外套是黄色的。
There are one hundred thousand million stars in our own Milky Way alone,
仅我们的银河系就有1000亿颗恒星，