Permanone
[医]二氯苯醚菊酯
🗣️ 情景例句
She couldn't get over her shyness.
她无法克服羞怯。
Excuse me.Can you tell me the correct time?
对不起，你能告诉我一下准确的时间吗？
The Hubble telescope was launched into space by NASA on April 20,1990 at a cost of over a billion dollars.
哈勃望远镜于1990年4月20日由国家航空航天局发射升空，耗资10多亿美元。