Incomplete root penetration
[化] 根部未焊透
🧩 词语组成解析
root
[rut]
n. 根，根源;原因，本质;祖先;[乐]和弦基音;
vt. 使生根;使固定;根源在于;欢呼，喝彩;
vi. 生根;根除;
penetration
[,pɛnɪ'treʃən]
n. 渗透;穿透;[军]突破;洞察力;
🗣️ 情景例句
Sorry, but she is out for lunch right now.
抱歉，她现在出去吃午饭了。
One woman, in Peru, was saved from an earthquake by lying between two mattresses.
秘鲁的一位妇女，躲在垫子之间从地震中死里逃生。
She's a new student. She's American.
她是个新来的同学，是个美国人。