491. The sailor was nailed on the rail for he failed to trail the mail.
水手被钉在横木上，因为他未能跟踪邮件。
sailor [ˈseilə]
n.水手，海员
nail [neil]
n.钉子，钉状物；指甲 vt.钉，钉牢
– We had the lids nailed on the boxes. 我们给箱子钉上盖子。
trail [treil]
vi.拖，下垂；失败 vt.跟踪 n.小路；踪迹
– The children trailed behind their teacher. 孩子们跟在老师后面走。
492. The frank man put the first-rank blank blanket into the tan tank.
直率的男子将一流空白毛毯放进黝黑的大容器。
first-rank
adj. 第一流的,最佳的,优秀的
blanket [ˈblæŋkit]
n.毛毯，毯子
tan [tæn]
v.(使)晒成棕褐色；硝制 n.棕褐色；晒黑
– took me all summer to get this tan. 我花了整个夏天才晒出这样的棕褐色。
493. Thanks to the bankrupt banker, my ankle avoided an injury.
多亏那位破产的银行家，我的脚踝免受伤害。
bankrupt [ˈbæŋkrʌpt]
a.破产的；彻底缺乏的 vt.使破产 n.破产者
– His business failed and he went bankrupt. 他的生意失败了,他也破产了。
ankle [ˈæŋkəl]
n.踝，踝关节
injury [ˈindʒəri]
n.损害，伤害；受伤处
– He escaped from the train wreck without injury. 他在这次火车事故中没有受伤。