Fluoram
二氟化銨
??? 情景例句
Much still remains to be done.
還有很多事要做。
She won't be in until 10:45, so the earliest would be 11:00.
她要到10:45才來，所以最早也得到11點才能看。
Fortunately, a pilot saw the signal and sent a message by radio to the nearest town.
幸運得很，一位飛行員看到這個信號，用無線電給最近的城鎮發了報。