🧩 词语组成解析
n. 水杨梅属植物
🗣️ 情景例句
This is as useful as screen door on a submarine.
这毫无用处。
David must figure on at least seventy strong men for support.
戴维至少须把七十个壮汉的协助计算进去。
The guards couldn't have been watchig very carefully.
警卫不可能一直认真地查看。