Jis
[计] 日本工业标准
🗣️ 情景例句
It is OK to ask children how old they are.
问小孩多大了是可以的。
Do you have some post cards?
你有明信片吗？
When we talk about the universe, we mean the earth, the sun, the moon and the stars, and the space between them.
人们谈论宇宙时，是指地球、太阳、月亮、星星以及它们存在的空间。