S.i.
[医] 可溶胰岛素, 国际单位制
🗣️ 情景例句
His yearly salary is in seven digits.
他的年薪是7位数。
Why don't you agree?
你为什么不同意？
and these will ply the short wings with such irresistible power that they can bore for long distances through an opposing gale before exhaustion follows.
这些肌肉以巨大的力量扇动短小的翅膀，使这类鸟能顶着大风飞行很远的路才会疲劳。