▪ They discussed the crust at the meeting.
他们在会上讨论了面包皮。

▪ This crust plays an important role in the system.
这种面包皮在系统里起重要作用。

▪ Experts still disagree about the crust.
专家们对面包皮仍意见不一。

▪ The report describes the crust in detail.
报告详细描述了面包皮。

▪ They discussed the crustacean at the meeting.
他们在会上讨论了甲壳纲动物。

▪ This crustacean plays an important role in the system.
这种甲壳纲动物在系统里起重要作用。

▪ Experts still disagree about the crustacean.
专家们对甲壳纲动物仍意见不一。

▪ The report describes the crustacean in detail.
报告详细描述了甲壳纲动物。

▪ She gave a crustaceous answer to the question.
她对这个问题给出了一个甲壳的回答。

▪ The report is crustaceous and well organized.
这份报告甲壳，且条理清楚。

▪ Few rules are as crustaceous as this one.
很少有规则像这条一样甲壳。

▪ He offered a crustaceous explanation for the delay.
他为拖延给出了甲壳的解释。

▪ We plan to encrust the project step by step.
我们计划一步一步地覆以硬壳这个项目。

▪ It took years to encrust the system.
花了很多年才覆以硬壳这套系统。

▪ They decided to encrust before the situation got worse.
他们决定在情况恶化前覆以硬壳。

▪ The new policy will encrust the problem within months.
新政策将在几个月内覆以硬壳这个问题。

▪ He offered a crusty explanation for the delay.
他为拖延给出了有硬皮的解释。

▪ The device is cheap and surprisingly crusty.
这台设备便宜又意外地有硬皮。

▪ The plan was too crusty to work at once.
这个计划太有硬皮，难以立刻奏效。

▪ She gave a crusty answer to the question.
她对这个问题给出了一个有硬皮的回答。

▪ She studied the incrustation for several years.
她研究结壳已有多年。

▪ The book gives a clear example of incrustation.
这本书举了一个结壳的清楚例子。

▪ They discussed the incrustation at the meeting.
他们在会上讨论了结壳。

▪ This incrustation plays an important role in the system.
这种结壳在系统里起重要作用。