Tetrapion
四氟丙酸鈉
??? 情景例句
And how is your daughter?
對了， 你女兒怎么樣？
I don't know. You may look in the TV Guide.
我不知道，你可以看看《電視報》。
Look into the river, said the monkey. There he is! See his head?
“往河里看，”猴子說，“他就在那里！看見他的頭了嗎？