Sand bond
[机] 砂结合力
🧩 词语组成解析
sand
[sænd]
n. 沙;沙滩;沙色;
vt. 撒沙于;用砂纸磨光;
🗣️ 情景例句
parents are invited to attend--
家长被邀请来参加
I agree. I wish they were simpler.
我觉得也是，希望能简单些。
but she was fast asleep,
但她睡得很熟。