Seal casing
[化] 密封壳体
🧩 词语组成解析
seal
[sil]
n. 密封;印章;海豹;封条;
v. 密封;盖章;决定;封上（信封）;
casing
[['keisiŋ]]
n. 箱, 盒, 包装, 框, 套管\\n[化] 汽车外胎
🗣️ 情景例句
to schedule one hour a week--to start with.
安排一星期一个小时。
If the ox falls,whet your knife.
牛一倒，快磨刀；人遭难，众人踩。
He's putting on his school clothes.
他在穿校服。