Skibobber
n. [體]雪犁運動員,連橇運動員
??? 情景例句
I sure am.
我確實餓了。
How many boxes are you going to use?
你要用幾盒？
below 20 per cent, its bactericidal action is negligible.
濃度低于20％時，殺菌能力基本上就不存在了。