Santodex
山道狄克斯(一种粘度添加剂), 粘度指数改进剂
🗣️ 情景例句
Hello, my name is Susan and I am calling to confirm my reservation.
喂，你好，我叫苏珊，我大电话确定我的预定。
I often comb my hair in the morning.
我常常在早上梳头。
he hardly ever used it, preferring always to go on foot.
但却很少使用，常常喜欢以步代车。