Biradiate
雙輻射的
??? 情景例句
How long is this flight?
這趟飛行有多長時間？
After forty years teaching English he thinks it's time to call it a day.
他教英語四十年，認為該退休了。
as if he were holding it completely enclosed in the hollow of his hand.
就好像完全握在自己手心里一樣。