🧩 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;
tree
[tri]
n. 树;木料;树状图;宗谱;
vt. 把…赶上树;使处于困境;把鞋型插入（鞋内）;
fern
[fə:n]
n. <植>羊齿植物，蕨类植物;
🗣️ 情景例句
A diet cola, please.
一份健怡可乐。
Nikki began to feel abashed by his praise of her beauty.
他赞美着尼基的美貌，使她羞得面红耳赤。
at any rate for short periods -- that running, jumping and kicking a ball are tests of national virtue.
至少在短期内如此 -- 跑跑、跳跳、踢踢球是对一个民族品德素质的检验。