Substand
abbr. substandard 标准以下的，不合规格的
🗣️ 情景例句
Ooh, speaking of keeping busy-I have an early start tomorrow,and the baby-sitter has to get home.
哦， 说到忙于工作，我明天还得早起，而且临时保姆也该回家了。
Take care of yourself and don't forget to keep in touch.
多多保重。别忘了保持联系。
The tree has grown against a warm wall on a sheltered side of the house.
那棵树是靠着房子有遮挡的一面暖墙生长的。