at
The world population is incleasing at a surprising rate
at this rate この調子でいくと
at rate
look at
laugh at
be surprised at
at the speed of 100㎞
School begins at 9:00am
Twitterうーたん英語に分かりやすい図あり参照
https://twitter.com/OdenEnglish/status/1248834812372070400?s=19
Twitterイチ@海外で英語で働く
https://twitter.com/Ichi_eigo/status/1248551572205744131?s=09