S-g
abbr. sub-generic 普通潜水艇; sub-genus 亚属
🗣️ 情景例句
How long will this letter take to get there?
这封信需要多长时间到那儿？
When I get sleepy,I'll probably get ready for bed.
当我磕睡时，我将上床。
Don't worry about that. Right now you need to stay still until help comes.
别为这事担心。现在，在有人来之前，你必须要呆着不动。