Barchan
新月形沙丘, 弧形沙洲
??? 情景例句
And here are your keys.
你的鑰匙。
We should let him face the music.
我們應該讓他對自己所做的事負責任。
Portable boiling elements that can boil small quantities of water are useful when the right voltage of electricity is available.
如果有相配的電壓，可以煮少量水的便攜式熱水裝置是有用的。