Hitoon
系留气球(无人驾驶的观测气球)
🗣️ 情景例句
Then monthly rent is $650, with a $300 security deposit.
月租是 650 美元，再加上 300 美元押金。
What platform does the train leave from?
这班车从哪个站台开出呢？
If they had only had one more child, the fact would have passed unnoticed.
如果他们只添了1个孩子，这件事本来就不会引起任何人的注意。