Multigrade
a. (润滑油)多级通用的,多品位的,稠化的
🗣️ 情景例句
Thank you, Mrs. Martinelli.
谢谢， Martinelli太太。
It's been a bad day.
今天糟透了。
Tod, you will send these things to the gentleman's address.
托德，你把这些衣服送到这位先生的住地去。