Holothuroidea
海参纲
🗣️ 情景例句
to see Susan become Mrs. Harry Bennett.
目睹Susan成为Harry Bennett太太。
We couldn't help the accident.
我们未能防止事故发生。
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.
突然大石块不见了，前面是一片平地，唯一的障碍只有一簇簇灌木丛。这使我们长长地松了口气。