Ranaconine
乙基三甲氧基烏頭烷四醇
??? 情景例句
Please try to keep relaxed, sir.
別太緊張，先生。
I'd like to make an overseas call to Taibei, Taiwan by collect call.
我要打對方付費的電話到臺灣的臺北。
I suddenly felt very worried, but could not say anything.
我突然非常著急起來，但卻什么也說不出來。