Population fluctuation
[法] 戶口波動, 人口波動
?? 詞語組成解析
fluctuation
[,fl?kt??'e??n]
n. 波動，漲落，起伏，[物]脈動;動搖不定，躊躇;[生]彷徨變異;
fluctu 波浪 + ation 表示行為、情況、狀態(tài)、過程、結(jié)果 → n.波動, 起伏
??? 情景例句
Please sit down, Alexandra.
請坐 Alexandra。
According to the regulations, sir, you'll have to reimburse the bank for the amount paid.
根據(jù)規(guī)定，先生，您應(yīng)該補償銀行付的那筆款了。
The albatross is the king of the gliders, the class of fliers which harness the air to their purpose, but must yield to its opposition.
信天翁是滑翔飛行的鳥類之王，它能自如地駕馭空氣，但必須順氣流飛行。