Null term
[计] 空项, 无效项
🧩 词语组成解析
🗣️ 情景例句
My doctor says I could live to be 100.
我的医生说我能活到100岁。
Do you have a try?
你有试过吗？
The search proved difficult, for the puma was often observed at one place in the morning and at another place twenty miles away in the evening.
事实上搜寻工作很困难，因为常常是早晨在甲地发现那只美洲狮，晚上却在20英里外的乙地发现它的踪迹。