Sidereostat
定星鏡
??? 情景例句
I enjoyed reading these books very much.
我很喜歡讀這些書。
Congratulations on your winning the prize.
我恭喜你得獎了。
From 1830 onwards in the USA and from about 1870 in Canada, settlers began to move westwards and to take possession of the plains as their own.
美國自1830年起，加拿大從1870年左右起，殖民者開始向西遷移，并把平原據(jù)為己有。