🧩 词语组成解析
a. [植]倒披针形的
leaf
[lif]
n. 叶子;页;叶状的结构;金属薄片;
vt.& vi. 翻书（报）;
vi. 生叶;
🗣️ 情景例句
Never chew with your mouth open.
嚼东西时别张着嘴。
Take your baggage to the baggage section.
把你的行李拿到行李房去。
The nurse assisted the doctor in the operating room.
护士在手术室协助医生动手术。