Black swallowtail
【昆虫】黑凤蝶(Papilio Polycenes,产于美洲)
🧩 词语组成解析
black
[blæk]
adj. 黑（色）的;黑色人种的;黑暗的;不加牛奶的;
n. 黑色;黑人;黑颜料;黑暗;
v. 使变黑;抵制;拒绝;使变黑暗;
n. 燕尾, 燕尾服, 燕尾叉形旗子的末端
🗣️ 情景例句
Two is enough.
两块足够了。
What is the gate number?
登机门是几号？
Don't crowd round him, said the gate keeper.
“不要围着他，”学校门卫说。