Allergoid
類變應原
??? 情景例句
You won't believe this,
簡直不會相信，
You certainly are an interesting person!
你的確是個風趣的人。
What a relief it was when the boulders suddenly disappeared, giving way to a stretch of plain where the only obstacles were clumps of bushes.
突然大石塊不見了，前面是一片平地，唯一的障礙只有一簇簇灌木叢。這使我們長長地松了口氣。